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1. Requirements on the gain calibration for LiteBIRD polarisation data with blind component separation

Author

Carralot, F., Carones, A., Krachmalnicoff, N., Ghigna, T., Novelli, A., Pagano, L., Piacentini, F., Baccigalupi, C., Adak, D., Anand, A., Aumont, J., Azzoni, S., Ballardini, M., Banday, A. J., Barreiro, R. B., Bartolo, N., Basak, S., Basyrov, A., Bersanelli, M., Bortolami, M., Brinckmann, T., Cacciotti, F., Campeti, P., Carinos, E., Casas, F. J., Cheung, K., Clermont, L., Columbro, F., Conenna, G., Coppi, G., Coppolecchia, A., Cuttaia, F., de Bernardis, P., De Lucia, M., Della Torre, S., Di Giorgi, E., Diego-Palazuelos, P., Essinger-Hileman, T., Ferreira, E., Finelli, F., Franceschet, C., Galloni, G., Galloway, M., Gervasi, M., Génova-Santos, R. T., Giardiello, S., Gimeno-Amo, C., Gjerløw, E., Gruppuso, A., Hazumi, M., Henrot-Versillé, S., Hergt, L. T., Hivon, E., Ishino, H., Jost, B., Kohri, K., Lamagna, L., Leloup, C., Lembo, M., Levrier, F., Lonappan, A. I., López-Caniego, M., Luzzi, G., Macias-Perez, J., Martínez-González, E., Masi, S., Matarrese, S., Matsumura, T., Micheli, S., Monelli, M., Montier, L., Morgante, G., Mot, B., Mousset, L., Nagano, Y., Nagata, R., Namikawa, T., Natoli, P., Obata, I., Occhiuzzi, A., Paiella, A., Paoletti, D., Pascual-Cisneros, G., Patanchon, G., Pavlidou, V., Pisano, G., Polenta, G., Porcelli, L., Puglisi, G., Raffuzzi, N., Remazeilles, M., Rubiño-Martín, J. A., Ruiz-Granda, M., Sanghavi, J., Scott, D., Shiraishi, M., Sullivan, R. M., Takase, Y., Tassis, K., Terenzi, L., Tomasi, M., Tristram, M., Vacher, L., van Tent, B., Vielva, P., Weymann-Despres, G., Wollack, E. J., Zannoni, M., and Zhou, Y.

Subjects
Astrophysics - Cosmology and Nongalactic Astrophysics
Abstract

Future cosmic microwave background (CMB) experiments are primarily targeting a detection of the primordial $B$-mode polarisation. The faintness of this signal requires exquisite control of systematic effects which may bias the measurements. In this work, we derive requirements on the relative calibration accuracy of the overall polarisation gain ($\Delta g_\nu$) for LiteBIRD experiment, through the application of the blind Needlet Internal Linear Combination (NILC) foreground-cleaning method. We find that minimum variance techniques, as NILC, are less affected by gain calibration uncertainties than a parametric approach, which requires a proper modelling of these instrumental effects. The tightest constraints are obtained for frequency channels where the CMB signal is relatively brighter (166 GHz channel, $\Delta {g}_\nu \approx 0.16 \%$), while, with a parametric approach, the strictest requirements were on foreground-dominated channels. We then propagate gain calibration uncertainties, corresponding to the derived requirements, into all frequency channels simultaneously. We find that the overall impact on the estimated $r$ is lower than the required budget for LiteBIRD by almost a factor $5$. The adopted procedure to derive requirements assumes a simple Galactic model. We therefore assess the robustness of obtained results against more realistic scenarios by injecting the gain calibration uncertainties, according to the requirements, into LiteBIRD simulated maps and assuming intermediate- and high-complexity sky models. In this case, we employ the so-called Multi-Clustering NILC (MC-NILC) foreground-cleaning pipeline and obtain that the impact of gain calibration uncertainties on $r$ is lower than the LiteBIRD gain systematics budget for the intermediate-complexity sky model. For the high-complexity case, instead, it would be necessary to tighten the requirements by a factor $1.8$., Comment: 29 pages, 11 figures

Published
2024

2. QUIJOTE scientific results -- XVIII. New constraints on the polarization of the Anomalous Microwave Emission in bright Galactic regions: $\rho$\,Ophiuchi, Perseus and W43

Author

González-González, R., Génova-Santos, R. T., Rubiño-Martín, J. A., Peel, M. W., Guidi, F., López-Caraballo, C. H., Fernández-Torreiro, M., Rebolo, R., Hernández-Monteagudo, C., Adak, D., Artal, E., Ashdown, M., Barreiro, R. B., Casas, F. J., de la Hoz, E., Fasano, A., Herranz, D., Hoyland, R. J., Martínez-González, E., Pascual-Cisneros, G., Piccirillo, L., Poidevin, F., Ruiz-Granados, B., Tramonte, D., Vansyngel, F., Vielva, P., and Watson, R. A.

Subjects
Astrophysics - Cosmology and Nongalactic Astrophysics
Abstract

This work focuses on the study of the AME, an important emission mechanism between 10 and 60 GHz whose polarization properties are not yet fully understood, and is therefore a potential contaminant for future CMB polarization observations. We use new QUIJOTE-MFI maps 11, 13, 17 and 19 GHz, together with other public ancillary data including WMAP and Planck, to study the polarization properties of the AME in three Galactic regions: rho-Ophiuchi, Perseus and W43. We have obtained the SEDs for those three regions over the frequency range 0.4-3000 GHz, both in intensity and polarization. The intensity SEDs are well described by a combination of free-free emission, thermal dust, AME and CMB anisotropies. In polarization, we extracted the flux densities using all available data between 11 and 353 GHz. We implemented an improved intensity-to-polarization leakage correction that has allowed for the first time to derive reliable polarization constraints well below the 1% level from Planck-LFI data. A frequency stacking of maps in the range 10-60 GHz has allowed us to reduce the statistical noise and to push the upper limits on the AME polarization level. We have obtained upper limits on the AME polarization fraction of order <1% (95% confidence level) for the three regions. In particular we get Pi_AME < 1.1% (at 28.4 GHz), Pi_AME < 1.1% (at 22.8 GHz) and Pi_AME < 0.28% (at 33 GHz) in rho-Ophiuchi, Perseus and W43 respectively. At the QUIJOTE 17 GHz frequency band, we get Pi_AME< 5.1% for rho-Ophiuchi, Pi_AME< 3.5% for Perseus and Pi_AME< 0.85% for W43. Our final upper limits derived using the stacking procedure are Pi_AME < 0.58% for rho-Ophiuchi, Pi_AME < 1.64% for Perseus and Pi_AME < 0.31% for W43. Altogether, these are the most stringent constraints to date on the AME polarization fraction of these three star-forming regions., Comment: 26 pages. 15 figures. Submitted to A&A. Comments welcome

Published
2024

3. The LiteBIRD mission to explore cosmic inflation

Author

Ghigna, T., Adler, A., Aizawa, K., Akamatsu, H., Akizawa, R., Allys, E., Anand, A., Aumont, J., Austermann, J., Azzoni, S., Baccigalupi, C., Ballardini, M., Banday, A. J., Barreiro, R. B., Bartolo, N., Basak, S., Basyrov, A., Beckman, S., Bersanelli, M., Bortolami, M., Bouchet, F., Brinckmann, T., Campeti, P., Carinos, E., Carones, A., Casas, F. J., Cheung, K., Chinone, Y., Clermont, L., Columbro, F., Coppolecchia, A., Curtis, D., de Bernardis, P., de Haan, T., de la Hoz, E., De Petris, M., Della Torre, S., Monache, G. Delle, Di Giorgi, E., Dickinson, C., Diego-Palazuelos, P., García, J. J. Díaz, Dobbs, M., Dotani, T., D'Alessandro, G., Eriksen, H. K., Errard, J., Essinger-Hileman, T., Farias, N., Ferreira, E., Franceschet, C., Fuskeland, U., Galloni, G., Galloway, M., Ganga, K., Gerbino, M., Gervasi, M., Génova-Santos, R. T., Giardiello, S., Gimeno-Amo, C., Gjerløw, E., González, R. González, Grandsire, L., Gruppuso, A., Halverson, N. W., Hargrave, P., Harper, S. E., Hazumi, M., Henrot-Versillé, S., Hergt, L. T., Herranz, D., Hivon, E., Hlozek, R. A., Hoang, T. D., Hubmayr, J., Ichiki, K., Ikuma, K., Ishino, H., Jaehnig, G., Jost, B., Kohri, K., Konishi, K., Lamagna, L., Lattanzi, M., Leloup, C., Levrier, F., Lonappan, A. I., Luzzi, G., Macias-Perez, J., Maffei, B., Marchitelli, E., Martínez-González, E., Masi, S., Matarrese, S., Matsumura, T., Micheli, S., Migliaccio, M., Monelli, M., Montier, L., Morgante, G., Mousset, L., Nagano, Y., Nagata, R., Natoli, P., Novelli, A., Noviello, F., Obata, I., Occhiuzzi, A., Odagiri, K., Omae, R., Pagano, L., Paiella, A., Paoletti, D., Pascual-Cisneros, G., Patanchon, G., Pavlidou, V., Piacentini, F., Piat, M., Piccirilli, G., Pinchera, M., Pisano, G., Porcelli, L., Raffuzzi, N., Raum, C., Remazeilles, M., Ritacco, A., Rubino-Martin, J., Ruiz-Granda, M., Sakurai, Y., Savini, G., Scott, D., Sekimoto, Y., Shiraishi, M., Signorelli, G., Stever, S. L., Sullivan, R. M., Suzuki, A., Takaku, R., Takakura, H., Takakura, S., Tartari, Y. Takase. A., Tassis, K., Thompson, K. L., Tomasi, M., Tristram, M., Tucker, C., Vacher, L., van Tent, B., Vielva, P., Watanuki, K., Wehus, I. K., Westbrook, B., Weymann-Despres, G., Winter, B., Wollack, E. J., Zacchei, A., Zannoni, M., Zhou, Y., and Collaboration, the LiteBIRD

Subjects
Astrophysics - Instrumentation and Methods for Astrophysics, Astrophysics - Cosmology and Nongalactic Astrophysics, Physics - Instrumentation and Detectors
Abstract

LiteBIRD, the next-generation cosmic microwave background (CMB) experiment, aims for a launch in Japan's fiscal year 2032, marking a major advancement in the exploration of primordial cosmology and fundamental physics. Orbiting the Sun-Earth Lagrangian point L2, this JAXA-led strategic L-class mission will conduct a comprehensive mapping of the CMB polarization across the entire sky. During its 3-year mission, LiteBIRD will employ three telescopes within 15 unique frequency bands (ranging from 34 through 448 GHz), targeting a sensitivity of 2.2\,$\mu$K-arcmin and a resolution of 0.5$^\circ$ at 100\,GHz. Its primary goal is to measure the tensor-to-scalar ratio $r$ with an uncertainty $\delta r = 0.001$, including systematic errors and margin. If $r \geq 0.01$, LiteBIRD expects to achieve a $>5\sigma$ detection in the $\ell=$2-10 and $\ell=$11-200 ranges separately, providing crucial insight into the early Universe. We describe LiteBIRD's scientific objectives, the application of systems engineering to mission requirements, the anticipated scientific impact, and the operations and scanning strategies vital to minimizing systematic effects. We will also highlight LiteBIRD's synergies with concurrent CMB projects., Comment: 23 pages, 9 figures, 1 table, SPIE Astronomical Telescopes + Instrumentation 2024

Published
2024

4. LiteBIRD Science Goals and Forecasts: Primordial Magnetic Fields

Author

Paoletti, D., Rubino-Martin, J., Shiraishi, M., Molinari, D., Chluba, J., Finelli, F., Baccigalupi, C., Errard, J., Gruppuso, A., Lonappan, A. I., Tartari, A., Allys, E., Anand, A., Aumont, J., Ballardini, M., Banday, A. J., Barreiro, R. B., Bartolo, N., Bersanelli, M., Bortolami, M., Brinckmann, T., Calabrese, E., Campeti, P., Carones, A., Casas, F. J., Cheung, K., Clermont, L., Columbro, F., Conenna, G., Coppolecchia, A., Cuttaia, F., D'Alessandro, G., de Bernardis, P., Della Torre, S., Diego-Palazuelos, P., Eriksen, H. K., Fuskeland, U., Galloni, G., Galloway, M., Gerbino, M., Gervasi, M., Ghigna, T., Giardiello, S., Gimeno-Amo, C., Gjerløw, E., Grupp, F., Hazumi, M., Henrot-Versillé, S., Hergt, L. T., Hivon, E., Ichiki, K., Ishino, H., Kohri, K., Komatsu, E., Krachmalnicoff, N., Lamagna, L., Lattanzi, M., Lembo, M., Levrier, F., López-Caniego, M., Luzzi, G., Martínez-González, E., Masi, S., Matarrese, S., Micheli, S., Migliaccio, M., Monelli, M., Montier, L., Morgante, G., Mousset, L., Nagata, R., Namikawa, T., Natoli, P., Novelli, A., Obata, I., Occhiuzzi, A., Odagiri, K., Pagano, L., Paiella, A., Pascual-Cisneros, G., Piacentini, F., Piccirilli, G., Remazeilles, M., Ritacco, A., Ruiz-Granda, M., Sakurai, Y., Scott, D., Stever, S. L., Sullivan, R. M., Takase, Y., Tassis, K., Terenzi, L., Tristram, M., Vacher, L., van Tent, B., Vielva, P., Wehus, I. K., Weymann-Despres, G., Zannoni, M., and Zhou, Y.

Subjects
Astrophysics - Cosmology and Nongalactic Astrophysics
Abstract

We present detailed forecasts for the constraints on primordial magnetic fields (PMFs) that will be obtained with the LiteBIRD satellite. The constraints are driven by the effects of PMFs on the CMB anisotropies: the gravitational effects of magnetically-induced perturbations; the effects on the thermal and ionization history of the Universe; the Faraday rotation imprint on the CMB polarization; and the non-Gaussianities induced in polarization anisotropies. LiteBIRD represents a sensitive probe for PMFs and by exploiting all the physical effects, it will be able to improve the current limit coming from Planck. In particular, thanks to its accurate $B$-mode polarization measurement, LiteBIRD will improve the constraints on infrared configurations for the gravitational effect, giving $B_{\rm 1\,Mpc}^{n_{\rm B} =-2.9} < 0.8$ nG at 95% C.L., potentially opening the possibility to detect nanogauss fields with high significance. We also observe a significant improvement in the limits when marginalized over the spectral index, $B_{1\,{\rm Mpc}}^{\rm marg}< 2.2$ nG at 95% C.L. From the thermal history effect, which relies mainly on $E$-mode polarization data, we obtain a significant improvement for all PMF configurations, with the marginalized case, $\sqrt{\langle B^2\rangle}^{\rm marg}<0.50$ nG at 95% C.L. Faraday rotation constraints will take advantage of the wide frequency coverage of LiteBIRD and the high sensitivity in $B$ modes, improving the limits by orders of magnitude with respect to current results, $B_{1\,{\rm Mpc}}^{n_{\rm B} =-2.9} < 3.2$ nG at 95% C.L. Finally, non-Gaussianities of the $B$-mode polarization can probe PMFs at the level of 1 nG, again significantly improving the current bounds from Planck. Altogether our forecasts represent a broad collection of complementary probes, providing conservative limits on PMF characteristics that will be achieved with LiteBIRD., Comment: 51 pages, 24 figures, abstract shortened

Published
2024

5. Impact of beam far side-lobe knowledge in the presence of foregrounds for LiteBIRD

Author

Leloup, C., Patanchon, G., Errard, J., Franceschet, C., Gudmundsson, J. E., Henrot-Versillé, S., Imada, H., Ishino, H., Matsumura, T., Puglisi, G., Wang, W., Adler, A., Aumont, J., Aurlien, R., Baccigalupi, C., Ballardini, M., Banday, A. J., Barreiro, R. B., Bartolo, N., Basyrov, A., Bersanelli, M., Blinov, D., Bortolami, M., Brinckmann, T., Campeti, P., Carones, A., Carralot, F., Casas, F. J., Cheung, K., Clermont, L., Columbro, F., Conenna, G., Coppolecchia, A., Cuttaia, F., D'Alessandro, G., de Bernardis, P., de Haan, T., De Petris, M., Della Torre, S., Diego-Palazuelos, P., Eriksen, H. K., Finelli, F., Fuskeland, U., Galloni, G., Galloway, M., Georges, M., Gerbino, M., Gervasi, M., Génova-Santos, R. T., Ghigna, T., Giardiello, S., Gimeno-Amo, C., Gjerløw, E., Gruppuso, A., Hazumi, M., Hergt, L. T., Herranz, D., Hivon, E., Hoang, T. D., Jost, B., Kohri, K., Krachmalnicoff, N., Lee, A. T., Lembo, M., Levrier, F., Lonappan, A. I., López-Caniego, M., Macias-Perez, J., Martínez-González, E., Masi, S., Matarrese, S., Micheli, S., Monelli, M., Montier, L., Morgante, G., Mot, B., Mousset, L., Namikawa, T., Natoli, P., Novelli, A., Noviello, F., Obata, I., Odagiri, K., Pagano, L., Paiella, A., Paoletti, D., Pascual-Cisneros, G., Pavlidou, V., Piacentini, F., Piccirilli, G., Pisano, G., Polenta, G., Raffuzzi, N., Remazeilles, M., Ritacco, A., Rizzieri, A., Ruiz-Granda, M., Sakurai, Y., Shiraishi, M., Stever, S. L., Takase, Y., Tassis, K., Terenzi, L., Thompson, K. L., Tristram, M., Vacher, L., Vielva, P., Wehus, I. K., Weymann-Despres, G., Zannoni, M., and Zhou, Y.

Subjects
Astrophysics - Cosmology and Nongalactic Astrophysics
Abstract

We present a study of the impact of an uncertainty in the beam far side-lobe knowledge on the measurement of the Cosmic Microwave Background $B$-mode signal at large scale. It is expected to be one of the main source of systematic effects in future CMB observations. Because it is crucial for all-sky survey missions to take into account the interplays between beam systematic effects and all the data analysis steps, the primary goal of this paper is to provide the methodology to carry out the end-to-end study of their effect for a space-borne CMB polarization experiment, up to the cosmological results in the form of a bias $\delta r$ on the tensor-to-scalar ratio $r$. LiteBIRD is dedicated to target the measurement of CMB primordial $B$ modes by reaching a sensitivity of $\sigma \left( r \right) \leq 10^{-3}$ assuming $r=0$. As a demonstration of our framework, we derive the relationship between the knowledge of the beam far side-lobes and the tentatively allocated error budget under given assumptions on design, simulation and component separation method. We assume no mitigation of the far side-lobes effect at any stage of the analysis pipeline. We show that $\delta r$ is mostly due to the integrated fractional power difference between the estimated beams and the true beams in the far side-lobes region, with little dependence on the actual shape of the beams, for low enough $\delta r$. Under our set of assumptions, in particular considering the specific foreground cleaning method we used, we find that the integrated fractional power in the far side-lobes should be known at a level as tight as $\sim 10^{-4}$, to achieve the required limit on the bias $\delta r < 1.9 \times 10^{-5}$. The framework and tools developed for this study can be easily adapted to provide requirements under different design, data analysis frameworks and for other future space-borne experiments beyond LiteBIRD.

Published
2023

6. LiteBIRD Science Goals and Forecasts: Improving Sensitivity to Inflationary Gravitational Waves with Multitracer Delensing

Author

Namikawa, T., Lonappan, A. I., Baccigalupi, C., Bartolo, N., Beck, D., Benabed, K., Challinor, A., Diego-Palazuelos, P., Errard, J., Farrens, S., Gruppuso, A., Krachmalnicoff, N., Migliaccio, M., Martínez-González, E., Pettorino, V., Piccirilli, G., Ruiz-Granda, M., Sherwin, B., Starck, J., Vielva, P., Akizawa, R., Anand, A., Aumont, J., Aurlien, R., Azzoni, S., Ballardini, M., Banday, A. J., Barreiro, R. B., Bersanelli, M., Blinov, D., Bortolami, M., Brinckmann, T., Calabrese, E., Campeti, P., Carones, A., Carralot, F., Casas, F. J., Cheung, K., Clermont, L., Columbro, F., Conenna, G., Coppolecchia, A., Cuttaia, F., D'Alessandro, G., de Bernardis, P., de Haan, T., De Petris, M., Della Torre, S., Di Giorgi, E., Eriksen, H. K., Finelli, F., Franceschet, C., Fuskeland, U., Galloni, G., Galloway, M., Georges, M., Gerbino, M., Gervasi, M., Ghigna, T., Giardiello, S., Gimeno-Amo, C., Gjerløw, E., Hazumi, M., Henrot-Versillé, S., Hergt, L. T., Hivon, E., Kohri, K., Komatsu, E., Lamagna, L., Lattanzi, M., Leloup, C., Lembo, M., López-Caniego, M., Luzzi, G., Maffei, B., Masi, S., Massa, M., Matarrese, S., Matsumura, T., Micheli, S., Moggi, A., Monelli, M., Montier, L., Morgante, G., Mot, B., Mousset, L., Nagata, R., Natoli, P., Novelli, A., Obata, I., Occhiuzzi, A., Pagano, L., Paiella, A., Paoletti, D., Pascual-Cisneros, G., Pavlidou, V., Piacentini, F., Pinchera, M., Pisano, G., Polenta, G., Puglisi, G., Remazeilles, M., Ritacco, A., Rizzieri, A., Rubino-Martin, J., Sakurai, Y., Scott, D., Shiraishi, M., Signorelli, G., Stever, S. L., Takase, Y., Tanimura, H., Tartari, A., Tassis, K., Terenzi, L., Tristram, M., Vacher, L., van Tent, B., Wehus, I. K., Weymann-Despres, G., Zannoni, M., and Zhou, Y.

Subjects
Astrophysics - Cosmology and Nongalactic Astrophysics
Abstract

We estimate the efficiency of mitigating the lensing $B$-mode polarization, the so-called delensing, for the $LiteBIRD$ experiment with multiple external data sets of lensing-mass tracers. The current best bound on the tensor-to-scalar ratio, $r$, is limited by lensing rather than Galactic foregrounds. Delensing will be a critical step to improve sensitivity to $r$ as measurements of $r$ become more and more limited by lensing. In this paper, we extend the analysis of the recent $LiteBIRD$ forecast paper to include multiple mass tracers, i.e., the CMB lensing maps from $LiteBIRD$ and CMB-S4-like experiment, cosmic infrared background, and galaxy number density from $Euclid$- and LSST-like survey. We find that multi-tracer delensing will further improve the constraint on $r$ by about $20\%$. In $LiteBIRD$, the residual Galactic foregrounds also significantly contribute to uncertainties of the $B$-modes, and delensing becomes more important if the residual foregrounds are further reduced by an improved component separation method., Comment: 21 pages, 7 figures

Published
2023

7. LiteBIRD Science Goals and Forecasts: A full-sky measurement of gravitational lensing of the CMB

Author

Lonappan, A. I., Namikawa, T., Piccirilli, G., Diego-Palazuelos, P., Ruiz-Granda, M., Migliaccio, M., Baccigalupi, C., Bartolo, N., Beck, D., Benabed, K., Challinor, A., Errard, J., Farrens, S., Gruppuso, A., Krachmalnicoff, N., Martínez-González, E., Pettorino, V., Sherwin, B., Starck, J., Vielva, P., Akizawa, R., Anand, A., Aumont, J., Aurlien, R., Azzoni, S., Ballardini, M., Banday, A. J., Barreiro, R. B., Bersanelli, M., Blinov, D., Bortolami, M., Brinckmann, T., Calabrese, E., Campeti, P., Carones, A., Carralot, F., Casas, F. J., Cheung, K., Clermont, L., Columbro, F., Conenna, G., Coppolecchia, A., Cuttaia, F., D'Alessandro, G., de Bernardis, P., De Petris, M., Della Torre, S., Di Giorgi, E., Eriksen, H. K., Finelli, F., Franceschet, C., Fuskeland, U., Galloni, G., Galloway, M., Georges, M., Gerbino, M., Gervasi, M., Génova-Santos, R. T., Ghigna, T., Giardiello, S., Gimeno-Amo, C., Gjerløw, E., Hazumi, M., Henrot-Versillé, S., Hergt, L. T., Hivon, E., Kohri, K., Komatsu, E., Lamagna, L., Lattanzi, M., Leloup, C., Lembo, M., López-Caniego, M., Luzzi, G., Macias-Perez, J., Maffei, B., Masi, S., Massa, M., Matarrese, S., Matsumura, T., Micheli, S., Moggi, A., Monelli, M., Montier, L., Morgante, G., Mot, B., Mousset, L., Nagata, R., Natoli, P., Novelli, A., Obata, I., Occhiuzzi, A., Pagano, L., Paiella, A., Paoletti, D., Pascual-Cisneros, G., Pavlidou, V., Piacentini, F., Pinchera, M., Pisano, G., Polenta, G., Puglisi, G., Remazeilles, M., Ritacco, A., Rizzieri, A., Sakurai, Y., Scott, D., Shiraishi, M., Signorelli, G., Stever, S. L., Takase, Y., Tanimura, H., Tartari, A., Tassis, K., Terenzi, L., Tristram, M., Vacher, L., van Tent, B., Wehus, I. K., Weymann-Despres, G., Zannoni, M., and Zhou, Y.

Subjects
Astrophysics - Cosmology and Nongalactic Astrophysics
Abstract

We explore the capability of measuring lensing signals in $LiteBIRD$ full-sky polarization maps. With a $30$ arcmin beam width and an impressively low polarization noise of $2.16\,\mu$K-arcmin, $LiteBIRD$ will be able to measure the full-sky polarization of the cosmic microwave background (CMB) very precisely. This unique sensitivity also enables the reconstruction of a nearly full-sky lensing map using only polarization data, even considering its limited capability to capture small-scale CMB anisotropies. In this paper, we investigate the ability to construct a full-sky lensing measurement in the presence of Galactic foregrounds, finding that several possible biases from Galactic foregrounds should be negligible after component separation by harmonic-space internal linear combination. We find that the signal-to-noise ratio of the lensing is approximately $40$ using only polarization data measured over $90\%$ of the sky. This achievement is comparable to $Planck$'s recent lensing measurement with both temperature and polarization and represents a four-fold improvement over $Planck$'s polarization-only lensing measurement. The $LiteBIRD$ lensing map will complement the $Planck$ lensing map and provide several opportunities for cross-correlation science, especially in the northern hemisphere.

Published
2023
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8. Tensor-to-scalar ratio forecasts for extended LiteBIRD frequency configurations

Author

Fuskeland, U., Aumont, J., Aurlien, R., Baccigalupi, C., Banday, A. J., Eriksen, H. K., Errard, J., Génova-Santos, R. T., Hasebe, T., Hubmayr, J., Imada, H., Krachmalnicoff, N., Lamagna, L., Pisano, G., Poletti, D., Remazeilles, M., Thompson, K. L., Vacher, L., Wehus, I. K., Azzoni, S., Ballardini, M., Barreiro, R. B., Bartolo, N., Basyrov, A., Beck, D., Bersanelli, M., Bortolami, M., Brilenkov, M., Calabrese, E., Carones, A., Casas, F. J., Cheung, K., Chluba, J., Clark, S. E., Clermont, L., Columbro, F., Coppolecchia, A., D'Alessandro, G., de Bernardis, P., de Haan, T., de la Hoz, E., De Petris, M., Della Torre, S., Diego-Palazuelos, P., Finelli, F., Franceschet, C., Galloni, G., Galloway, M., Gerbino, M., Gervasi, M., Ghigna, T., Giardiello, S., Gjerløw, E., Gruppuso, A., Hargrave, P., Hattori, M., Hazumi, M., Hergt, L. T., Herman, D., Herranz, D., Hivon, E., Hoang, T. D., Kohri, K., Lattanzi, M., Lee, A. T., Leloup, C., Levrier, F., Lonappan, A. I., Luzzi, G., Maffei, B., Martínez-González, E., Masi, S., Matarrese, S., Matsumura, T., Migliaccio, M., Montier, L., Morgante, G., Mot, B., Mousset, L., Nagata, R., Namikawa, T., Nati, F., Natoli, P., Nerval, S., Novelli, A., Pagano, L., Paiella, A., Paoletti, D., Pascual-Cisneros, G., Patanchon, G., Pelgrims, V., Piacentini, F., Piccirilli, G., Polenta, G., Puglisi, G., Raffuzzi, N., Ritacco, A., Rubino-Martin, J. A., Savini, G., Scott, D., Sekimoto, Y., Shiraishi, M., Signorelli, G., Stever, S. L., Stutzer, N., Sullivan, R. M., Takakura, H., Terenzi, L., Thommesen, H., Tristram, M., Tsuji, M., Vielva, P., Weller, J., Westbrook, B., Weymann-Despres, G., Wollack, E. J., and Zannoni, M.

Subjects
Astrophysics - Cosmology and Nongalactic Astrophysics
Abstract

LiteBIRD is a planned JAXA-led CMB B-mode satellite experiment aiming for launch in the late 2020s, with a primary goal of detecting the imprint of primordial inflationary gravitational waves. Its current baseline focal-plane configuration includes 15 frequency bands between 40 and 402 GHz, fulfilling the mission requirements to detect the amplitude of gravitational waves with the total uncertainty on the tensor-to-scalar ratio, $\delta r$, down to $\delta r<0.001$. A key aspect of this performance is accurate astrophysical component separation, and the ability to remove polarized thermal dust emission is particularly important. In this paper we note that the CMB frequency spectrum falls off nearly exponentially above 300 GHz relative to the thermal dust SED, and a relatively minor high frequency extension can therefore result in even lower uncertainties and better model reconstructions. Specifically, we compare the baseline design with five extended configurations, while varying the underlying dust modeling, in each of which the HFT (High-Frequency Telescope) frequency range is shifted logarithmically towards higher frequencies, with an upper cutoff ranging between 400 and 600 GHz. In each case, we measure the tensor-to-scalar ratio $r$ uncertainty and bias using both parametric and minimum-variance component-separation algorithms. When the thermal dust sky model includes a spatially varying spectral index and temperature, we find that the statistical uncertainty on $r$ after foreground cleaning may be reduced by as much as 30--50 % by extending the upper limit of the frequency range from 400 to 600 GHz, with most of the improvement already gained at 500 GHz. We also note that a broader frequency range leads to better ability to discriminate between models through higher $\chi^2$ sensitivity. (abridged), Comment: 18 pages, 13 figures. Published in A&A

Published
2023
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9. Polarization Calibration of a Microwave Polarimeter with Near-Infrared Up-Conversion for Optical Correlation and Detection

Author

Casas, Francisco J., Vielva, Patricio, Barreiro, R. Belen, Martínez-González, Enrique, and Pascual-Cisneros, G.

Subjects
Astrophysics - Instrumentation and Methods for Astrophysics
Abstract

This paper presents a polarization calibration method applied to a microwave polarimeter demonstrator based on a near-infrared (NIR) frequency up-conversion stage that allows both optical correlation and signal detection at a wavelength of 1550 nm. The instrument was designed to measure the polarization of cosmic microwave background (CMB) radiation from the sky, obtaining the Stokes parameters of the incoming signal simultaneously, in a frequency range from 10 to 20 GHz. A linearly polarized input signal with a variable polarization angle is used as excitation in the polarimeter calibration setup mounted in the laboratory. The polarimeter systematic errors can be corrected with the proposed calibration procedure, achieving high levels of polarization efficiency (low polarization percentage errors) and low polarization angle errors. The calibration method is based on the fitting of polarization errors by means of sinusoidal functions composed of additive or multiplicative terms. The accuracy of the fitting increases with the number of terms in such a way that the typical error levels required in low-frequency CMB experiments can be achieved with only a few terms in the fitting functions. On the other hand, assuming that the calibration signal is known with the required accuracy, additional terms can be calculated to reach the error levels needed in ultrasensitive B-mode polarization CMB experiments., Comment: 17 pages, 7 figures, 6 tables

Published
2022
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10. Optical Characterization of OMT-Coupled TES Bolometers for LiteBIRD

Author

Hubmayr, J., Ade, P. A. R., Adler, A., Allys, E., Alonso, D., Arnold, K., Auguste, D., Aumont, J., Aurlien, R., Austermann, J. E., Azzoni, S., Baccigalupi, C., Banday, A. J., Banerji, R., Barreiro, R. B., Bartolo, N., Basak, S., Battistelli, E., Bautista, L., Beall, J. A., Beck, D., Beckman, S., Benabed, K., Bermejo-Ballesteros, J., Bersanelli, M., Bonis, J., Borrill, J., Bouchet, F., Boulanger, F., Bounissou, S., Brilenkov, M., Brown, M. L., Bucher, M., Calabrese, E., Calvo, M., Campeti, P., Carones, A., Casas, F. J., Catalano, A., Challinor, A., Chan, V., Cheung, K., Chinone, Y., Chiocchetta, C., Clark, S. E., Clermont, L., Clesse, S., Cliche, J., Columbro, F., Connors, J. A., Coppolecchia, A., Coulton, W., Cubas, J., Cukierman, A., Curtis, D., Cuttaia, F., D’Alessandro, G., Dachlythra, K., de Bernardis, P., de Haan, T., de la Hoz, E., De Petris, M., Della Torre, S., Daz Garca, J. J., Dickinson, C., Diego-Palazuelos, P., Dobbs, M., Dotani, T., Douillet, D., Doumayrou, E., Duband, L., Ducout, A., Duff, S. M., Duval, J. M., Ebisawa, K., Elleflot, T., Eriksen, H. K., Errard, J., Essinger-Hileman, T., Farrens, S., Finelli, F., Flauger, R., Fleury-Frenette, K., Franceschet, C., Fuskeland, U., Galli, L., Galli, S., Galloway, M., Ganga, K., Gao, J. R., Genova-Santos, R. T., Georges, M., Gerbino, M., Gervasi, M., Ghigna, T., Giardiello, S., Gjerlw, E., Gonzles, R. Gonzlez, Gradziel, M. L., Grain, J., Grandsire, L., Grupp, F., Gruppuso, A., Gudmundsson, J. E., Halverson, N. W., Hamilton, J., Hargrave, P., Hasebe, T., Hasegawa, M., Hattori, M., Hazumi, M., Henrot-Versill, S., Hensley, B., Herman, D., Herranz, D., Hilton, G. C., Hivon, E., Hlozek, R. A., Hoang, D., Hornsby, A. L., Hoshino, Y., Ichiki, K., Iida, T., Ikemoto, T., Imada, H., Ishimura, K., Ishino, H., Jaehnig, G., Jones, M., Kaga, T., Kashima, S., Katayama, N., Kato, A., Kawasaki, T., Keskitalo, R., Kintziger, C., Kisner, T., Kobayashi, Y., Kogiso, N., Kogut, A., Kohri, K., Komatsu, E., Komatsu, K., Konishi, K., Krachmalnicoff, N., Kreykenbohm, I., Kuo, C. L., Kushino, A., Lamagna, L., Lanen, J. V., Laquaniello, G., Lattanzi, M., Lee, A. T., Leloup, C., Levrier, F., Linder, E., Link, M. J., Lonappan, A. I., Louis, T., Luzzi, G., Macias-Perez, J., Maciaszek, T., Maffei, B., Maino, D., Maki, M., Mandelli, S., Maris, M., Marquet, B., Martnez-Gonzlez, E., Martire, F. A., Masi, S., Massa, M., Masuzawa, M., Matarrese, S., Matsuda, F. T., Matsumura, T., Mele, L., Mennella, A., Migliaccio, M., Minami, Y., Mitsuda, K., Moggi, A., Monelli, M., Monfardini, A., Montgomery, J., Montier, L., Morgante, G., Mot, B., Murata, Y., Murphy, J. A., Nagai, M., Nagano, Y., Nagasaki, T., Nagata, R., Nakamura, S., Nakano, R., Namikawa, T., Nati, F., Natoli, P., Nerval, S., Neto Godry Farias, N., Nishibori, T., Nishino, H., Noviello, F., O’Neil, G. C., O’Sullivan, C., Odagiri, K., Ochi, H., Ogawa, H., Ogawa, H., Oguri, S., Ohsaki, H., Ohta, I. S., Okada, N., Pagano, L., Paiella, A., Paoletti, D., Pascual Cisneros, G., Passerini, A., Patanchon, G., Pelgrim, V., Peloton, J., Pettorino, V., Piacentini, F., Piat, M., Piccirilli, G., Pinsard, F., Pisano, G., Plesseria, J., Polenta, G., Poletti, D., Prouv, T., Puglisi, G., Rambaud, D., Raum, C., Realini, S., Reinecke, M., Reintsema, C. D., Remazeilles, M., Ritacco, A., Rosier, P., Roudil, G., Rubino-Martin, J., Russell, M., Sakurai, H., Sakurai, Y., Sandri, M., Sasaki, M., Savini, G., Scott, D., Seibert, J., Sekimoto, Y., Sherwin, B., Shinozaki, K., Shiraishi, M., Shirron, P., Shitvov, A., Signorelli, G., Smecher, G., Spinella, F., Starck, J., Stever, S., Stompor, R., Sudiwala, R., Sugiyama, S., Sullivan, R., Suzuki, A., Suzuki, J., Suzuki, T., Svalheim, T. L., Switzer, E., Takaku, R., Takakura, H., Takakura, S., Takase, Y., Takeda, Y., Tartari, A., Tavagnacco, D., Taylor, A., Taylor, E., Terao, Y., Terenzi, L., Thermeau, J., Thommesen, H., Thompson, K. L., Thorne, B., Toda, T., Tomasi, M., Tominaga, M., Trappe, N., Tristram, M., Tsuji, M., Tsujimoto, M., Tucker, C., Ueki, R., Ullom, J. N., Umemori, K., Vacher, L., Van Lanen, J., Vermeulen, G., Vielva, P., Villa, F., Vissers, M. R., Vittorio, N., Wandelt, B., Wang, W., Wehus, I. K., Weller, J., Westbrook, B., Weymann-Despres, G., Wilms, J., Winter, B., Wollack, E. J., Yamasaki, N. Y., Yoshida, T., Yumoto, J., Watanuki, K., Zacchei, A., Zannoni, M., and Zonca, A.

Published
2022
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11. LiteBIRD science goals and forecasts: improving sensitivity to inflationary gravitational waves with multitracer delensing

Author

Namikawa, T, Lonappan, A, Baccigalupi, C, Bartolo, N, Beck, D, Benabed, K, Challinor, A, Diego-Palazuelos, P, Errard, J, Farrens, S, Gruppuso, A, Krachmalnicoff, N, Migliaccio, M, Martínez-González, E, Pettorino, V, Piccirilli, G, Ruiz-Granda, M, Sherwin, B, Starck, J, Vielva, P, Akizawa, R, Anand, A, Aumont, J, Aurlien, R, Azzoni, S, Ballardini, M, Banday, A, Barreiro, R, Bersanelli, M, Blinov, D, Bortolami, M, Brinckmann, T, Calabrese, E, Campeti, P, Carones, A, Carralot, F, Casas, F, Cheung, K, Clermont, L, Columbro, F, Conenna, G, Coppolecchia, A, Cuttaia, F, D'Alessandro, G, de Bernardis, P, de Haan, T, De Petris, M, Della Torre, S, Di Giorgi, E, Eriksen, H, Finelli, F, Franceschet, C, Fuskeland, U, Galloni, G, Galloway, M, Georges, M, Gerbino, M, Gervasi, M, Ghigna, T, Giardiello, S, Gimeno-Amo, C, Gjerløw, E, Hazumi, M, Henrot-Versillé, S, Hergt, L, Hivon, E, Kohri, K, Komatsu, E, Lamagna, L, Lattanzi, M, Leloup, C, Lembo, M, López-Caniego, M, Luzzi, G, Maffei, B, Masi, S, Massa, M, Matarrese, S, Matsumura, T, Micheli, S, Moggi, A, Monelli, M, Montier, L, Morgante, G, Mot, B, Mousset, L, Nagata, R, Natoli, P, Novelli, A, Obata, I, Occhiuzzi, A, Pagano, L, Paiella, A, Paoletti, D, Pascual-Cisneros, G, Pavlidou, V, Piacentini, F, Pinchera, M, Pisano, G, Polenta, G, Puglisi, G, Remazeilles, M, Ritacco, A, Rizzieri, A, Rubino-Martin, J, Sakurai, Y, Scott, D, Shiraishi, M, Signorelli, G, Stever, S, Takase, Y, Tanimura, H, Tartari, A, Tassis, K, Terenzi, L, Tristram, M, Vacher, L, van Tent, B, Wehus, I, Weymann-Despres, G, Zannoni, M, Zhou, Y, Namikawa T., Lonappan A., Baccigalupi C., Bartolo N., Beck D., Benabed K., Challinor A., Diego-Palazuelos P., Errard J., Farrens S., Gruppuso A., Krachmalnicoff N., Migliaccio M., Martínez-González E., Pettorino V., Piccirilli G., Ruiz-Granda M., Sherwin B., Starck J., Vielva P., Akizawa R., Anand A., Aumont J., Aurlien R., Azzoni S., Ballardini M., Banday A., Barreiro R., Bersanelli M., Blinov D., Bortolami M., Brinckmann T., Calabrese E., Campeti P., Carones A., Carralot F., Casas F., Cheung K., Clermont L., Columbro F., Conenna G., Coppolecchia A., Cuttaia F., D'Alessandro G., de Bernardis P., de Haan T., De Petris M., Della Torre S., Di Giorgi E., Eriksen H., Finelli F., Franceschet C., Fuskeland U., Galloni G., Galloway M., Georges M., Gerbino M., Gervasi M., Ghigna T., Giardiello S., Gimeno-Amo C., Gjerløw E., Hazumi M., Henrot-Versillé S., Hergt L., Hivon E., Kohri K., Komatsu E., Lamagna L., Lattanzi M., Leloup C., Lembo M., López-Caniego M., Luzzi G., Maffei B., Masi S., Massa M., Matarrese S., Matsumura T., Micheli S., Moggi A., Monelli M., Montier L., Morgante G., Mot B., Mousset L., Nagata R., Natoli P., Novelli A., Obata I., Occhiuzzi A., Pagano L., Paiella A., Paoletti D., Pascual-Cisneros G., Pavlidou V., Piacentini F., Pinchera M., Pisano G., Polenta G., Puglisi G., Remazeilles M., Ritacco A., Rizzieri A., Rubino-Martin J., Sakurai Y., Scott D., Shiraishi M., Signorelli G., Stever S. L., Takase Y., Tanimura H., Tartari A., Tassis K., Terenzi L., Tristram M., Vacher L., van Tent B., Wehus I. K., Weymann-Despres G., Zannoni M., Zhou Y., Namikawa, T, Lonappan, A, Baccigalupi, C, Bartolo, N, Beck, D, Benabed, K, Challinor, A, Diego-Palazuelos, P, Errard, J, Farrens, S, Gruppuso, A, Krachmalnicoff, N, Migliaccio, M, Martínez-González, E, Pettorino, V, Piccirilli, G, Ruiz-Granda, M, Sherwin, B, Starck, J, Vielva, P, Akizawa, R, Anand, A, Aumont, J, Aurlien, R, Azzoni, S, Ballardini, M, Banday, A, Barreiro, R, Bersanelli, M, Blinov, D, Bortolami, M, Brinckmann, T, Calabrese, E, Campeti, P, Carones, A, Carralot, F, Casas, F, Cheung, K, Clermont, L, Columbro, F, Conenna, G, Coppolecchia, A, Cuttaia, F, D'Alessandro, G, de Bernardis, P, de Haan, T, De Petris, M, Della Torre, S, Di Giorgi, E, Eriksen, H, Finelli, F, Franceschet, C, Fuskeland, U, Galloni, G, Galloway, M, Georges, M, Gerbino, M, Gervasi, M, Ghigna, T, Giardiello, S, Gimeno-Amo, C, Gjerløw, E, Hazumi, M, Henrot-Versillé, S, Hergt, L, Hivon, E, Kohri, K, Komatsu, E, Lamagna, L, Lattanzi, M, Leloup, C, Lembo, M, López-Caniego, M, Luzzi, G, Maffei, B, Masi, S, Massa, M, Matarrese, S, Matsumura, T, Micheli, S, Moggi, A, Monelli, M, Montier, L, Morgante, G, Mot, B, Mousset, L, Nagata, R, Natoli, P, Novelli, A, Obata, I, Occhiuzzi, A, Pagano, L, Paiella, A, Paoletti, D, Pascual-Cisneros, G, Pavlidou, V, Piacentini, F, Pinchera, M, Pisano, G, Polenta, G, Puglisi, G, Remazeilles, M, Ritacco, A, Rizzieri, A, Rubino-Martin, J, Sakurai, Y, Scott, D, Shiraishi, M, Signorelli, G, Stever, S, Takase, Y, Tanimura, H, Tartari, A, Tassis, K, Terenzi, L, Tristram, M, Vacher, L, van Tent, B, Wehus, I, Weymann-Despres, G, Zannoni, M, Zhou, Y, Namikawa T., Lonappan A., Baccigalupi C., Bartolo N., Beck D., Benabed K., Challinor A., Diego-Palazuelos P., Errard J., Farrens S., Gruppuso A., Krachmalnicoff N., Migliaccio M., Martínez-González E., Pettorino V., Piccirilli G., Ruiz-Granda M., Sherwin B., Starck J., Vielva P., Akizawa R., Anand A., Aumont J., Aurlien R., Azzoni S., Ballardini M., Banday A., Barreiro R., Bersanelli M., Blinov D., Bortolami M., Brinckmann T., Calabrese E., Campeti P., Carones A., Carralot F., Casas F., Cheung K., Clermont L., Columbro F., Conenna G., Coppolecchia A., Cuttaia F., D'Alessandro G., de Bernardis P., de Haan T., De Petris M., Della Torre S., Di Giorgi E., Eriksen H., Finelli F., Franceschet C., Fuskeland U., Galloni G., Galloway M., Georges M., Gerbino M., Gervasi M., Ghigna T., Giardiello S., Gimeno-Amo C., Gjerløw E., Hazumi M., Henrot-Versillé S., Hergt L., Hivon E., Kohri K., Komatsu E., Lamagna L., Lattanzi M., Leloup C., Lembo M., López-Caniego M., Luzzi G., Maffei B., Masi S., Massa M., Matarrese S., Matsumura T., Micheli S., Moggi A., Monelli M., Montier L., Morgante G., Mot B., Mousset L., Nagata R., Natoli P., Novelli A., Obata I., Occhiuzzi A., Pagano L., Paiella A., Paoletti D., Pascual-Cisneros G., Pavlidou V., Piacentini F., Pinchera M., Pisano G., Polenta G., Puglisi G., Remazeilles M., Ritacco A., Rizzieri A., Rubino-Martin J., Sakurai Y., Scott D., Shiraishi M., Signorelli G., Stever S. L., Takase Y., Tanimura H., Tartari A., Tassis K., Terenzi L., Tristram M., Vacher L., van Tent B., Wehus I. K., Weymann-Despres G., Zannoni M., and Zhou Y.

Abstract

We estimate the efficiency of mitigating the lensing B-mode polarization, the so-called delensing, for the LiteBIRD experiment with multiple external data sets of lensing-mass tracers. The current best bound on the tensor-to-scalar ratio, r, is limited by lensing rather than Galactic foregrounds. Delensing will be a critical step to improve sensitivity to r as measurements of r become more and more limited by lensing. In this paper, we extend the analysis of the recent LiteBIRD forecast paper to include multiple mass tracers, i.e., the CMB lensing maps from LiteBIRD and CMB-S4-like experiment, cosmic infrared background, and galaxy number density from Euclid- and LSST-like survey. We find that multi-tracer delensing will further improve the constraint on r by about 20%. In LiteBIRD, the residual Galactic foregrounds also significantly contribute to uncertainties of the B-modes, and delensing becomes more important if the residual foregrounds are further reduced by an improved component separation method.

Published
2024

12. LiteBIRD science goals and forecasts: a full-sky measurement of gravitational lensing of the CMB

Author

Lonappan, A, Namikawa, T, Piccirilli, G, Diego-Palazuelos, P, Ruiz-Granda, M, Migliaccio, M, Baccigalupi, C, Bartolo, N, Beck, D, Benabed, K, Challinor, A, Errard, J, Farrens, S, Gruppuso, A, Krachmalnicoff, N, Martínez-González, E, Pettorino, V, Sherwin, B, Starck, J, Vielva, P, Akizawa, R, Anand, A, Aumont, J, Aurlien, R, Azzoni, S, Ballardini, M, Banday, A, Barreiro, R, Bersanelli, M, Blinov, D, Bortolami, M, Brinckmann, T, Calabrese, E, Campeti, P, Carones, A, Carralot, F, Casas, F, Cheung, K, Clermont, L, Columbro, F, Conenna, G, Coppolecchia, A, Cuttaia, F, D'Alessandro, G, de Bernardis, P, De Petris, M, Della Torre, S, Di Giorgi, E, Eriksen, H, Finelli, F, Franceschet, C, Fuskeland, U, Galloni, G, Galloway, M, Georges, M, Gerbino, M, Gervasi, M, Génova-Santos, R, Ghigna, T, Giardiello, S, Gimeno-Amo, C, Gjerløw, E, Hazumi, M, Henrot-Versillé, S, Hergt, L, Hivon, E, Kohri, K, Komatsu, E, Lamagna, L, Lattanzi, M, Leloup, C, Lembo, M, López-Caniego, M, Luzzi, G, Macias-Perez, J, Maffei, B, Masi, S, Massa, M, Matarrese, S, Matsumura, T, Micheli, S, Moggi, A, Monelli, M, Montier, L, Morgante, G, Mot, B, Mousset, L, Nagata, R, Natoli, P, Novelli, A, Obata, I, Occhiuzzi, A, Pagano, L, Paiella, A, Paoletti, D, Pascual-Cisneros, G, Pavlidou, V, Piacentini, F, Pinchera, M, Pisano, G, Polenta, G, Puglisi, G, Remazeilles, M, Ritacco, A, Rizzieri, A, Sakurai, Y, Scott, D, Shiraishi, M, Signorelli, G, Stever, S, Takase, Y, Tanimura, H, Tartari, A, Tassis, K, Terenzi, L, Tristram, M, Vacher, L, van Tent, B, Wehus, I, Weymann-Despres, G, Zannoni, M, Zhou, Y, Lonappan A. I., Namikawa T., Piccirilli G., Diego-Palazuelos P., Ruiz-Granda M., Migliaccio M., Baccigalupi C., Bartolo N., Beck D., Benabed K., Challinor A., Errard J., Farrens S., Gruppuso A., Krachmalnicoff N., Martínez-González E., Pettorino V., Sherwin B., Starck J., Vielva P., Akizawa R., Anand A., Aumont J., Aurlien R., Azzoni S., Ballardini M., Banday A. J., Barreiro R. B., Bersanelli M., Blinov D., Bortolami M., Brinckmann T., Calabrese E., Campeti P., Carones A., Carralot F., Casas F. J., Cheung K., Clermont L., Columbro F., Conenna G., Coppolecchia A., Cuttaia F., D'Alessandro G., de Bernardis P., De Petris M., Della Torre S., Di Giorgi E., Eriksen H. K., Finelli F., Franceschet C., Fuskeland U., Galloni G., Galloway M., Georges M., Gerbino M., Gervasi M., Génova-Santos R. T., Ghigna T., Giardiello S., Gimeno-Amo C., Gjerløw E., Hazumi M., Henrot-Versillé S., Hergt L. T., Hivon E., Kohri K., Komatsu E., Lamagna L., Lattanzi M., Leloup C., Lembo M., López-Caniego M., Luzzi G., Macias-Perez J., Maffei B., Masi S., Massa M., Matarrese S., Matsumura T., Micheli S., Moggi A., Monelli M., Montier L., Morgante G., Mot B., Mousset L., Nagata R., Natoli P., Novelli A., Obata I., Occhiuzzi A., Pagano L., Paiella A., Paoletti D., Pascual-Cisneros G., Pavlidou V., Piacentini F., Pinchera M., Pisano G., PolentaG., Puglisi G., RemazeillesM., Ritacco A., Rizzieri A., Sakurai Y., Scott D., Shiraishi M., Signorelli G., Stever S. L., Takase Y., Tanimura H., Tartari A., Tassis K., Terenzi L., Tristram M., Vacher L., van Tent B., Wehus I. K., Weymann-Despres G., Zannoni M., Zhou Y., Lonappan, A, Namikawa, T, Piccirilli, G, Diego-Palazuelos, P, Ruiz-Granda, M, Migliaccio, M, Baccigalupi, C, Bartolo, N, Beck, D, Benabed, K, Challinor, A, Errard, J, Farrens, S, Gruppuso, A, Krachmalnicoff, N, Martínez-González, E, Pettorino, V, Sherwin, B, Starck, J, Vielva, P, Akizawa, R, Anand, A, Aumont, J, Aurlien, R, Azzoni, S, Ballardini, M, Banday, A, Barreiro, R, Bersanelli, M, Blinov, D, Bortolami, M, Brinckmann, T, Calabrese, E, Campeti, P, Carones, A, Carralot, F, Casas, F, Cheung, K, Clermont, L, Columbro, F, Conenna, G, Coppolecchia, A, Cuttaia, F, D'Alessandro, G, de Bernardis, P, De Petris, M, Della Torre, S, Di Giorgi, E, Eriksen, H, Finelli, F, Franceschet, C, Fuskeland, U, Galloni, G, Galloway, M, Georges, M, Gerbino, M, Gervasi, M, Génova-Santos, R, Ghigna, T, Giardiello, S, Gimeno-Amo, C, Gjerløw, E, Hazumi, M, Henrot-Versillé, S, Hergt, L, Hivon, E, Kohri, K, Komatsu, E, Lamagna, L, Lattanzi, M, Leloup, C, Lembo, M, López-Caniego, M, Luzzi, G, Macias-Perez, J, Maffei, B, Masi, S, Massa, M, Matarrese, S, Matsumura, T, Micheli, S, Moggi, A, Monelli, M, Montier, L, Morgante, G, Mot, B, Mousset, L, Nagata, R, Natoli, P, Novelli, A, Obata, I, Occhiuzzi, A, Pagano, L, Paiella, A, Paoletti, D, Pascual-Cisneros, G, Pavlidou, V, Piacentini, F, Pinchera, M, Pisano, G, Polenta, G, Puglisi, G, Remazeilles, M, Ritacco, A, Rizzieri, A, Sakurai, Y, Scott, D, Shiraishi, M, Signorelli, G, Stever, S, Takase, Y, Tanimura, H, Tartari, A, Tassis, K, Terenzi, L, Tristram, M, Vacher, L, van Tent, B, Wehus, I, Weymann-Despres, G, Zannoni, M, Zhou, Y, Lonappan A. I., Namikawa T., Piccirilli G., Diego-Palazuelos P., Ruiz-Granda M., Migliaccio M., Baccigalupi C., Bartolo N., Beck D., Benabed K., Challinor A., Errard J., Farrens S., Gruppuso A., Krachmalnicoff N., Martínez-González E., Pettorino V., Sherwin B., Starck J., Vielva P., Akizawa R., Anand A., Aumont J., Aurlien R., Azzoni S., Ballardini M., Banday A. J., Barreiro R. B., Bersanelli M., Blinov D., Bortolami M., Brinckmann T., Calabrese E., Campeti P., Carones A., Carralot F., Casas F. J., Cheung K., Clermont L., Columbro F., Conenna G., Coppolecchia A., Cuttaia F., D'Alessandro G., de Bernardis P., De Petris M., Della Torre S., Di Giorgi E., Eriksen H. K., Finelli F., Franceschet C., Fuskeland U., Galloni G., Galloway M., Georges M., Gerbino M., Gervasi M., Génova-Santos R. T., Ghigna T., Giardiello S., Gimeno-Amo C., Gjerløw E., Hazumi M., Henrot-Versillé S., Hergt L. T., Hivon E., Kohri K., Komatsu E., Lamagna L., Lattanzi M., Leloup C., Lembo M., López-Caniego M., Luzzi G., Macias-Perez J., Maffei B., Masi S., Massa M., Matarrese S., Matsumura T., Micheli S., Moggi A., Monelli M., Montier L., Morgante G., Mot B., Mousset L., Nagata R., Natoli P., Novelli A., Obata I., Occhiuzzi A., Pagano L., Paiella A., Paoletti D., Pascual-Cisneros G., Pavlidou V., Piacentini F., Pinchera M., Pisano G., PolentaG., Puglisi G., RemazeillesM., Ritacco A., Rizzieri A., Sakurai Y., Scott D., Shiraishi M., Signorelli G., Stever S. L., Takase Y., Tanimura H., Tartari A., Tassis K., Terenzi L., Tristram M., Vacher L., van Tent B., Wehus I. K., Weymann-Despres G., Zannoni M., and Zhou Y.

Abstract

We explore the capability of measuring lensing signals in LiteBIRD full-sky polarization maps. With a 30 arcmin beam width and an impressively low polarization noise of 2.16 ìK-arcmin, LiteBIRD will be able to measure the full-sky polarization of the cosmic microwave background (CMB) very precisely. This unique sensitivity also enables the reconstruction of a nearly full-sky lensing map using only polarization data, even considering its limited capability to capture small-scale CMB anisotropies. In this paper, we investigate the ability to construct a full-sky lensing measurement in the presence of Galactic foregrounds, finding that several possible biases from Galactic foregrounds should be negligible after component separation by harmonic-space internal linear combination. We find that the signal-to-noise ratio of the lensing is approximately 40 using only polarization data measured over 80% of the sky. This achievement is comparable to Planck's recent lensing measurement with both temperature and polarization and represents a four-fold improvement over Planck's polarization-only lensing measurement. The LiteBIRD lensing map will complement the Planck lensing map and provide several opportunities for cross-correlation science, especially in the northern hemisphere.

Published
2024

13. Tensor-to-scalar ratio forecasts for extended LiteBIRD frequency configurations

Author

Fuskeland, U., primary, Aumont, J., additional, Aurlien, R., additional, Baccigalupi, C., additional, Banday, A. J., additional, Eriksen, H. K., additional, Errard, J., additional, Génova-Santos, R. T., additional, Hasebe, T., additional, Hubmayr, J., additional, Imada, H., additional, Krachmalnicoff, N., additional, Lamagna, L., additional, Pisano, G., additional, Poletti, D., additional, Remazeilles, M., additional, Thompson, K. L., additional, Vacher, L., additional, Wehus, I. K., additional, Azzoni, S., additional, Ballardini, M., additional, Barreiro, R. B., additional, Bartolo, N., additional, Basyrov, A., additional, Beck, D., additional, Bersanelli, M., additional, Bortolami, M., additional, Brilenkov, M., additional, Calabrese, E., additional, Carones, A., additional, Casas, F. J., additional, Cheung, K., additional, Chluba, J., additional, Clark, S. E., additional, Clermont, L., additional, Columbro, F., additional, Coppolecchia, A., additional, D’Alessandro, G., additional, de Bernardis, P., additional, de Haan, T., additional, de la Hoz, E., additional, De Petris, M., additional, Della Torre, S., additional, Diego-Palazuelos, P., additional, Finelli, F., additional, Franceschet, C., additional, Galloni, G., additional, Galloway, M., additional, Gerbino, M., additional, Gervasi, M., additional, Ghigna, T., additional, Giardiello, S., additional, Gjerløw, E., additional, Gruppuso, A., additional, Hargrave, P., additional, Hattori, M., additional, Hazumi, M., additional, Hergt, L. T., additional, Herman, D., additional, Herranz, D., additional, Hivon, E., additional, Hoang, T. D., additional, Kohri, K., additional, Lattanzi, M., additional, Lee, A. T., additional, Leloup, C., additional, Levrier, F., additional, Lonappan, A. I., additional, Luzzi, G., additional, Maffei, B., additional, Martínez-González, E., additional, Masi, S., additional, Matarrese, S., additional, Matsumura, T., additional, Migliaccio, M., additional, Montier, L., additional, Morgante, G., additional, Mot, B., additional, Mousset, L., additional, Nagata, R., additional, Namikawa, T., additional, Nati, F., additional, Natoli, P., additional, Nerval, S., additional, Novelli, A., additional, Pagano, L., additional, Paiella, A., additional, Paoletti, D., additional, Pascual-Cisneros, G., additional, Patanchon, G., additional, Pelgrims, V., additional, Piacentini, F., additional, Piccirilli, G., additional, Polenta, G., additional, Puglisi, G., additional, Raffuzzi, N., additional, Ritacco, A., additional, Rubino-Martin, J. A., additional, Savini, G., additional, Scott, D., additional, Sekimoto, Y., additional, Shiraishi, M., additional, Signorelli, G., additional, Stever, S. L., additional, Stutzer, N., additional, Sullivan, R. M., additional, Takakura, H., additional, Terenzi, L., additional, Thommesen, H., additional, Tristram, M., additional, Tsuji, M., additional, Vielva, P., additional, Weller, J., additional, Westbrook, B., additional, Weymann-Despres, G., additional, Wollack, E. J., additional, and Zannoni, M., additional

Published
2023
Full Text
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14. Optical Characterization of OMT-Coupled TES Bolometers for LiteBIRD

Author

Hubmayr, J, Ade, P, Adler, A, Allys, E, Alonso, D, Arnold, K, Auguste, D, Aumont, J, Aurlien, R, Austermann, J, Azzoni, S, Baccigalupi, C, Banday, A, Banerji, R, Barreiro, R, Bartolo, N, Basak, S, Battistelli, E, Bautista, L, Beall, J, Beck, D, Beckman, S, Benabed, K, Bermejo-Ballesteros, J, Bersanelli, M, Bonis, J, Borrill, J, Bouchet, F, Boulanger, F, Bounissou, S, Brilenkov, M, Brown, M, Bucher, M, Calabrese, E, Calvo, M, Campeti, P, Carones, A, Casas, F, Catalano, A, Challinor, A, Chan, V, Cheung, K, Chinone, Y, Chiocchetta, C, Clark, S, Clermont, L, Clesse, S, Cliche, J, Columbro, F, Connors, J, Coppolecchia, A, Coulton, W, Cubas, J, Cukierman, A, Curtis, D, Cuttaia, F, D’Alessandro, G, Dachlythra, K, de Bernardis, P, de Haan, T, de la Hoz, E, De Petris, M, Della Torre, S, Daz Garca, J, Dickinson, C, Diego-Palazuelos, P, Dobbs, M, Dotani, T, Douillet, D, Doumayrou, E, Duband, L, Ducout, A, Duff, S, Duval, J, Ebisawa, K, Elleflot, T, Eriksen, H, Errard, J, Essinger-Hileman, T, Farrens, S, Finelli, F, Flauger, R, Fleury-Frenette, K, Franceschet, C, Fuskeland, U, Galli, L, Galli, S, Galloway, M, Ganga, K, Gao, J, Genova-Santos, R, Georges, M, Gerbino, M, Gervasi, M, Ghigna, T, Giardiello, S, Gjerlw, E, Gonzles, R, Gradziel, M, Grain, J, Grandsire, L, Grupp, F, Gruppuso, A, Gudmundsson, J, Halverson, N, Hamilton, J, Hargrave, P, Hasebe, T, Hasegawa, M, Hattori, M, Hazumi, M, Henrot-Versill, S, Hensley, B, Herman, D, Herranz, D, Hilton, G, Hivon, E, Hlozek, R, Hoang, D, Hornsby, A, Hoshino, Y, Ichiki, K, Iida, T, Ikemoto, T, Imada, H, Ishimura, K, Ishino, H, Jaehnig, G, Jones, M, Kaga, T, Kashima, S, Katayama, N, Kato, A, Kawasaki, T, Keskitalo, R, Kintziger, C, Kisner, T, Kobayashi, Y, Kogiso, N, Kogut, A, Kohri, K, Komatsu, E, Komatsu, K, Konishi, K, Krachmalnicoff, N, Kreykenbohm, I, Kuo, C, Kushino, A, Lamagna, L, Lanen, J, Laquaniello, G, Lattanzi, M, Lee, A, Leloup, C, Levrier, F, Linder, E, Link, M, Lonappan, A, Louis, T, Luzzi, G, Macias-Perez, J, Maciaszek, T, Maffei, B, Maino, D, Maki, M, Mandelli, S, Maris, M, Marquet, B, Martnez-Gonzlez, E, Martire, F, Masi, S, Massa, M, Masuzawa, M, Matarrese, S, Matsuda, F, Matsumura, T, Mele, L, Mennella, A, Migliaccio, M, Minami, Y, Mitsuda, K, Moggi, A, Monelli, M, Monfardini, A, Montgomery, J, Montier, L, Morgante, G, Mot, B, Murata, Y, Murphy, J, Nagai, M, Nagano, Y, Nagasaki, T, Nagata, R, Nakamura, S, Nakano, R, Namikawa, T, Nati, F, Natoli, P, Nerval, S, Neto Godry Farias, N, Nishibori, T, Nishino, H, Noviello, F, O’Neil, G, O’Sullivan, C, Odagiri, K, Ochi, H, Ogawa, H, Oguri, S, Ohsaki, H, Ohta, I, Okada, N, Pagano, L, Paiella, A, Paoletti, D, Pascual Cisneros, G, Passerini, A, Patanchon, G, Pelgrim, V, Peloton, J, Pettorino, V, Piacentini, F, Piat, M, Piccirilli, G, Pinsard, F, Pisano, G, Plesseria, J, Polenta, G, Poletti, D, Prouv, T, Puglisi, G, Rambaud, D, Raum, C, Realini, S, Reinecke, M, Reintsema, C, Remazeilles, M, Ritacco, A, Rosier, P, Roudil, G, Rubino-Martin, J, Russell, M, Sakurai, H, Sakurai, Y, Sandri, M, Sasaki, M, Savini, G, Scott, D, Seibert, J, Sekimoto, Y, Sherwin, B, Shinozaki, K, Shiraishi, M, Shirron, P, Shitvov, A, Signorelli, G, Smecher, G, Spinella, F, Starck, J, Stever, S, Stompor, R, Sudiwala, R, Sugiyama, S, Sullivan, R, Suzuki, A, Suzuki, J, Suzuki, T, Svalheim, T, Switzer, E, Takaku, R, Takakura, H, Takakura, S, Takase, Y, Takeda, Y, Tartari, A, Tavagnacco, D, Taylor, A, Taylor, E, Terao, Y, Terenzi, L, Thermeau, J, Thommesen, H, Thompson, K, Thorne, B, Toda, T, Tomasi, M, Tominaga, M, Trappe, N, Tristram, M, Tsuji, M, Tsujimoto, M, Tucker, C, Ueki, R, Ullom, J, Umemori, K, Vacher, L, Van Lanen, J, Vermeulen, G, Vielva, P, Villa, F, Vissers, M, Vittorio, N, Wandelt, B, Wang, W, Wehus, I, Weller, J, Westbrook, B, Weymann-Despres, G, Wilms, J, Winter, B, Wollack, E, Yamasaki, N, Yoshida, T, Yumoto, J, Watanuki, K, Zacchei, A, Zannoni, M, Zonca, A, Hubmayr, J., Ade, P. A. R., Adler, A., Allys, E., Alonso, D., Arnold, K., Auguste, D., Aumont, J., Aurlien, R., Austermann, J. E., Azzoni, S., Baccigalupi, C., Banday, A. J., Banerji, R., Barreiro, R. B., Bartolo, N., Basak, S., Battistelli, E., Bautista, L., Beall, J. A., Beck, D., Beckman, S., Benabed, K., Bermejo-Ballesteros, J., Bersanelli, M., Bonis, J., Borrill, J., Bouchet, F., Boulanger, F., Bounissou, S., Brilenkov, M., Brown, M. L., Bucher, M., Calabrese, E., Calvo, M., Campeti, P., Carones, A., Casas, F. J., Catalano, A., Challinor, A., Chan, V., Cheung, K., Chinone, Y., Chiocchetta, C., Clark, S. E., Clermont, L., Clesse, S., Cliche, J., Columbro, F., Connors, J. A., Coppolecchia, A., Coulton, W., Cubas, J., Cukierman, A., Curtis, D., Cuttaia, F., D’Alessandro, G., Dachlythra, K., de Bernardis, P., de Haan, T., de la Hoz, E., De Petris, M., Della Torre, S., Daz Garca, J. J., Dickinson, C., Diego-Palazuelos, P., Dobbs, M., Dotani, T., Douillet, D., Doumayrou, E., Duband, L., Ducout, A., Duff, S. M., Duval, J. M., Ebisawa, K., Elleflot, T., Eriksen, H. K., Errard, J., Essinger-Hileman, T., Farrens, S., Finelli, F., Flauger, R., Fleury-Frenette, K., Franceschet, C., Fuskeland, U., Galli, L., Galli, S., Galloway, M., Ganga, K., Gao, J. R., Genova-Santos, R. T., Georges, M., Gerbino, M., Gervasi, M., Ghigna, T., Giardiello, S., Gjerlw, E., Gonzles, R. Gonzlez, Gradziel, M. L., Grain, J., Grandsire, L., Grupp, F., Gruppuso, A., Gudmundsson, J. E., Halverson, N. W., Hamilton, J., Hargrave, P., Hasebe, T., Hasegawa, M., Hattori, M., Hazumi, M., Henrot-Versill, S., Hensley, B., Herman, D., Herranz, D., Hilton, G. C., Hivon, E., Hlozek, R. A., Hoang, D., Hornsby, A. L., Hoshino, Y., Ichiki, K., Iida, T., Ikemoto, T., Imada, H., Ishimura, K., Ishino, H., Jaehnig, G., Jones, M., Kaga, T., Kashima, S., Katayama, N., Kato, A., Kawasaki, T., Keskitalo, R., Kintziger, C., Kisner, T., Kobayashi, Y., Kogiso, N., Kogut, A., Kohri, K., Komatsu, E., Komatsu, K., Konishi, K., Krachmalnicoff, N., Kreykenbohm, I., Kuo, C. L., Kushino, A., Lamagna, L., Lanen, J. V., Laquaniello, G., Lattanzi, M., Lee, A. T., Leloup, C., Levrier, F., Linder, E., Link, M. J., Lonappan, A. I., Louis, T., Luzzi, G., Macias-Perez, J., Maciaszek, T., Maffei, B., Maino, D., Maki, M., Mandelli, S., Maris, M., Marquet, B., Martnez-Gonzlez, E., Martire, F. A., Masi, S., Massa, M., Masuzawa, M., Matarrese, S., Matsuda, F. T., Matsumura, T., Mele, L., Mennella, A., Migliaccio, M., Minami, Y., Mitsuda, K., Moggi, A., Monelli, M., Monfardini, A., Montgomery, J., Montier, L., Morgante, G., Mot, B., Murata, Y., Murphy, J. A., Nagai, M., Nagano, Y., Nagasaki, T., Nagata, R., Nakamura, S., Nakano, R., Namikawa, T., Nati, F., Natoli, P., Nerval, S., Neto Godry Farias, N., Nishibori, T., Nishino, H., Noviello, F., O’Neil, G. C., O’Sullivan, C., Odagiri, K., Ochi, H., Ogawa, H., Oguri, S., Ohsaki, H., Ohta, I. S., Okada, N., Pagano, L., Paiella, A., Paoletti, D., Pascual Cisneros, G., Passerini, A., Patanchon, G., Pelgrim, V., Peloton, J., Pettorino, V., Piacentini, F., Piat, M., Piccirilli, G., Pinsard, F., Pisano, G., Plesseria, J., Polenta, G., Poletti, D., Prouv, T., Puglisi, G., Rambaud, D., Raum, C., Realini, S., Reinecke, M., Reintsema, C. D., Remazeilles, M., Ritacco, A., Rosier, P., Roudil, G., Rubino-Martin, J., Russell, M., Sakurai, H., Sakurai, Y., Sandri, M., Sasaki, M., Savini, G., Scott, D., Seibert, J., Sekimoto, Y., Sherwin, B., Shinozaki, K., Shiraishi, M., Shirron, P., Shitvov, A., Signorelli, G., Smecher, G., Spinella, F., Starck, J., Stever, S., Stompor, R., Sudiwala, R., Sugiyama, S., Sullivan, R., Suzuki, A., Suzuki, J., Suzuki, T., Svalheim, T. L., Switzer, E., Takaku, R., Takakura, H., Takakura, S., Takase, Y., Takeda, Y., Tartari, A., Tavagnacco, D., Taylor, A., Taylor, E., Terao, Y., Terenzi, L., Thermeau, J., Thommesen, H., Thompson, K. L., Thorne, B., Toda, T., Tomasi, M., Tominaga, M., Trappe, N., Tristram, M., Tsuji, M., Tsujimoto, M., Tucker, C., Ueki, R., Ullom, J. N., Umemori, K., Vacher, L., Van Lanen, J., Vermeulen, G., Vielva, P., Villa, F., Vissers, M. R., Vittorio, N., Wandelt, B., Wang, W., Wehus, I. K., Weller, J., Westbrook, B., Weymann-Despres, G., Wilms, J., Winter, B., Wollack, E. J., Yamasaki, N. Y., Yoshida, T., Yumoto, J., Watanuki, K., Zacchei, A., Zannoni, M., Zonca, A., Hubmayr, J, Ade, P, Adler, A, Allys, E, Alonso, D, Arnold, K, Auguste, D, Aumont, J, Aurlien, R, Austermann, J, Azzoni, S, Baccigalupi, C, Banday, A, Banerji, R, Barreiro, R, Bartolo, N, Basak, S, Battistelli, E, Bautista, L, Beall, J, Beck, D, Beckman, S, Benabed, K, Bermejo-Ballesteros, J, Bersanelli, M, Bonis, J, Borrill, J, Bouchet, F, Boulanger, F, Bounissou, S, Brilenkov, M, Brown, M, Bucher, M, Calabrese, E, Calvo, M, Campeti, P, Carones, A, Casas, F, Catalano, A, Challinor, A, Chan, V, Cheung, K, Chinone, Y, Chiocchetta, C, Clark, S, Clermont, L, Clesse, S, Cliche, J, Columbro, F, Connors, J, Coppolecchia, A, Coulton, W, Cubas, J, Cukierman, A, Curtis, D, Cuttaia, F, D’Alessandro, G, Dachlythra, K, de Bernardis, P, de Haan, T, de la Hoz, E, De Petris, M, Della Torre, S, Daz Garca, J, Dickinson, C, Diego-Palazuelos, P, Dobbs, M, Dotani, T, Douillet, D, Doumayrou, E, Duband, L, Ducout, A, Duff, S, Duval, J, Ebisawa, K, Elleflot, T, Eriksen, H, Errard, J, Essinger-Hileman, T, Farrens, S, Finelli, F, Flauger, R, Fleury-Frenette, K, Franceschet, C, Fuskeland, U, Galli, L, Galli, S, Galloway, M, Ganga, K, Gao, J, Genova-Santos, R, Georges, M, Gerbino, M, Gervasi, M, Ghigna, T, Giardiello, S, Gjerlw, E, Gonzles, R, Gradziel, M, Grain, J, Grandsire, L, Grupp, F, Gruppuso, A, Gudmundsson, J, Halverson, N, Hamilton, J, Hargrave, P, Hasebe, T, Hasegawa, M, Hattori, M, Hazumi, M, Henrot-Versill, S, Hensley, B, Herman, D, Herranz, D, Hilton, G, Hivon, E, Hlozek, R, Hoang, D, Hornsby, A, Hoshino, Y, Ichiki, K, Iida, T, Ikemoto, T, Imada, H, Ishimura, K, Ishino, H, Jaehnig, G, Jones, M, Kaga, T, Kashima, S, Katayama, N, Kato, A, Kawasaki, T, Keskitalo, R, Kintziger, C, Kisner, T, Kobayashi, Y, Kogiso, N, Kogut, A, Kohri, K, Komatsu, E, Komatsu, K, Konishi, K, Krachmalnicoff, N, Kreykenbohm, I, Kuo, C, Kushino, A, Lamagna, L, Lanen, J, Laquaniello, G, Lattanzi, M, Lee, A, Leloup, C, Levrier, F, Linder, E, Link, M, Lonappan, A, Louis, T, Luzzi, G, Macias-Perez, J, Maciaszek, T, Maffei, B, Maino, D, Maki, M, Mandelli, S, Maris, M, Marquet, B, Martnez-Gonzlez, E, Martire, F, Masi, S, Massa, M, Masuzawa, M, Matarrese, S, Matsuda, F, Matsumura, T, Mele, L, Mennella, A, Migliaccio, M, Minami, Y, Mitsuda, K, Moggi, A, Monelli, M, Monfardini, A, Montgomery, J, Montier, L, Morgante, G, Mot, B, Murata, Y, Murphy, J, Nagai, M, Nagano, Y, Nagasaki, T, Nagata, R, Nakamura, S, Nakano, R, Namikawa, T, Nati, F, Natoli, P, Nerval, S, Neto Godry Farias, N, Nishibori, T, Nishino, H, Noviello, F, O’Neil, G, O’Sullivan, C, Odagiri, K, Ochi, H, Ogawa, H, Oguri, S, Ohsaki, H, Ohta, I, Okada, N, Pagano, L, Paiella, A, Paoletti, D, Pascual Cisneros, G, Passerini, A, Patanchon, G, Pelgrim, V, Peloton, J, Pettorino, V, Piacentini, F, Piat, M, Piccirilli, G, Pinsard, F, Pisano, G, Plesseria, J, Polenta, G, Poletti, D, Prouv, T, Puglisi, G, Rambaud, D, Raum, C, Realini, S, Reinecke, M, Reintsema, C, Remazeilles, M, Ritacco, A, Rosier, P, Roudil, G, Rubino-Martin, J, Russell, M, Sakurai, H, Sakurai, Y, Sandri, M, Sasaki, M, Savini, G, Scott, D, Seibert, J, Sekimoto, Y, Sherwin, B, Shinozaki, K, Shiraishi, M, Shirron, P, Shitvov, A, Signorelli, G, Smecher, G, Spinella, F, Starck, J, Stever, S, Stompor, R, Sudiwala, R, Sugiyama, S, Sullivan, R, Suzuki, A, Suzuki, J, Suzuki, T, Svalheim, T, Switzer, E, Takaku, R, Takakura, H, Takakura, S, Takase, Y, Takeda, Y, Tartari, A, Tavagnacco, D, Taylor, A, Taylor, E, Terao, Y, Terenzi, L, Thermeau, J, Thommesen, H, Thompson, K, Thorne, B, Toda, T, Tomasi, M, Tominaga, M, Trappe, N, Tristram, M, Tsuji, M, Tsujimoto, M, Tucker, C, Ueki, R, Ullom, J, Umemori, K, Vacher, L, Van Lanen, J, Vermeulen, G, Vielva, P, Villa, F, Vissers, M, Vittorio, N, Wandelt, B, Wang, W, Wehus, I, Weller, J, Westbrook, B, Weymann-Despres, G, Wilms, J, Winter, B, Wollack, E, Yamasaki, N, Yoshida, T, Yumoto, J, Watanuki, K, Zacchei, A, Zannoni, M, Zonca, A, Hubmayr, J., Ade, P. A. R., Adler, A., Allys, E., Alonso, D., Arnold, K., Auguste, D., Aumont, J., Aurlien, R., Austermann, J. E., Azzoni, S., Baccigalupi, C., Banday, A. J., Banerji, R., Barreiro, R. B., Bartolo, N., Basak, S., Battistelli, E., Bautista, L., Beall, J. A., Beck, D., Beckman, S., Benabed, K., Bermejo-Ballesteros, J., Bersanelli, M., Bonis, J., Borrill, J., Bouchet, F., Boulanger, F., Bounissou, S., Brilenkov, M., Brown, M. L., Bucher, M., Calabrese, E., Calvo, M., Campeti, P., Carones, A., Casas, F. J., Catalano, A., Challinor, A., Chan, V., Cheung, K., Chinone, Y., Chiocchetta, C., Clark, S. E., Clermont, L., Clesse, S., Cliche, J., Columbro, F., Connors, J. A., Coppolecchia, A., Coulton, W., Cubas, J., Cukierman, A., Curtis, D., Cuttaia, F., D’Alessandro, G., Dachlythra, K., de Bernardis, P., de Haan, T., de la Hoz, E., De Petris, M., Della Torre, S., Daz Garca, J. J., Dickinson, C., Diego-Palazuelos, P., Dobbs, M., Dotani, T., Douillet, D., Doumayrou, E., Duband, L., Ducout, A., Duff, S. M., Duval, J. M., Ebisawa, K., Elleflot, T., Eriksen, H. K., Errard, J., Essinger-Hileman, T., Farrens, S., Finelli, F., Flauger, R., Fleury-Frenette, K., Franceschet, C., Fuskeland, U., Galli, L., Galli, S., Galloway, M., Ganga, K., Gao, J. R., Genova-Santos, R. T., Georges, M., Gerbino, M., Gervasi, M., Ghigna, T., Giardiello, S., Gjerlw, E., Gonzles, R. Gonzlez, Gradziel, M. L., Grain, J., Grandsire, L., Grupp, F., Gruppuso, A., Gudmundsson, J. E., Halverson, N. W., Hamilton, J., Hargrave, P., Hasebe, T., Hasegawa, M., Hattori, M., Hazumi, M., Henrot-Versill, S., Hensley, B., Herman, D., Herranz, D., Hilton, G. C., Hivon, E., Hlozek, R. A., Hoang, D., Hornsby, A. L., Hoshino, Y., Ichiki, K., Iida, T., Ikemoto, T., Imada, H., Ishimura, K., Ishino, H., Jaehnig, G., Jones, M., Kaga, T., Kashima, S., Katayama, N., Kato, A., Kawasaki, T., Keskitalo, R., Kintziger, C., Kisner, T., Kobayashi, Y., Kogiso, N., Kogut, A., Kohri, K., Komatsu, E., Komatsu, K., Konishi, K., Krachmalnicoff, N., Kreykenbohm, I., Kuo, C. L., Kushino, A., Lamagna, L., Lanen, J. V., Laquaniello, G., Lattanzi, M., Lee, A. T., Leloup, C., Levrier, F., Linder, E., Link, M. J., Lonappan, A. I., Louis, T., Luzzi, G., Macias-Perez, J., Maciaszek, T., Maffei, B., Maino, D., Maki, M., Mandelli, S., Maris, M., Marquet, B., Martnez-Gonzlez, E., Martire, F. A., Masi, S., Massa, M., Masuzawa, M., Matarrese, S., Matsuda, F. T., Matsumura, T., Mele, L., Mennella, A., Migliaccio, M., Minami, Y., Mitsuda, K., Moggi, A., Monelli, M., Monfardini, A., Montgomery, J., Montier, L., Morgante, G., Mot, B., Murata, Y., Murphy, J. A., Nagai, M., Nagano, Y., Nagasaki, T., Nagata, R., Nakamura, S., Nakano, R., Namikawa, T., Nati, F., Natoli, P., Nerval, S., Neto Godry Farias, N., Nishibori, T., Nishino, H., Noviello, F., O’Neil, G. C., O’Sullivan, C., Odagiri, K., Ochi, H., Ogawa, H., Oguri, S., Ohsaki, H., Ohta, I. S., Okada, N., Pagano, L., Paiella, A., Paoletti, D., Pascual Cisneros, G., Passerini, A., Patanchon, G., Pelgrim, V., Peloton, J., Pettorino, V., Piacentini, F., Piat, M., Piccirilli, G., Pinsard, F., Pisano, G., Plesseria, J., Polenta, G., Poletti, D., Prouv, T., Puglisi, G., Rambaud, D., Raum, C., Realini, S., Reinecke, M., Reintsema, C. D., Remazeilles, M., Ritacco, A., Rosier, P., Roudil, G., Rubino-Martin, J., Russell, M., Sakurai, H., Sakurai, Y., Sandri, M., Sasaki, M., Savini, G., Scott, D., Seibert, J., Sekimoto, Y., Sherwin, B., Shinozaki, K., Shiraishi, M., Shirron, P., Shitvov, A., Signorelli, G., Smecher, G., Spinella, F., Starck, J., Stever, S., Stompor, R., Sudiwala, R., Sugiyama, S., Sullivan, R., Suzuki, A., Suzuki, J., Suzuki, T., Svalheim, T. L., Switzer, E., Takaku, R., Takakura, H., Takakura, S., Takase, Y., Takeda, Y., Tartari, A., Tavagnacco, D., Taylor, A., Taylor, E., Terao, Y., Terenzi, L., Thermeau, J., Thommesen, H., Thompson, K. L., Thorne, B., Toda, T., Tomasi, M., Tominaga, M., Trappe, N., Tristram, M., Tsuji, M., Tsujimoto, M., Tucker, C., Ueki, R., Ullom, J. N., Umemori, K., Vacher, L., Van Lanen, J., Vermeulen, G., Vielva, P., Villa, F., Vissers, M. R., Vittorio, N., Wandelt, B., Wang, W., Wehus, I. K., Weller, J., Westbrook, B., Weymann-Despres, G., Wilms, J., Winter, B., Wollack, E. J., Yamasaki, N. Y., Yoshida, T., Yumoto, J., Watanuki, K., Zacchei, A., Zannoni, M., and Zonca, A.

Abstract

Feedhorn- and orthomode transducer- (OMT) coupled transition edge sensor (TES) bolometers have been designed and micro-fabricated to meet the optical specifications of the LiteBIRD high frequency telescope (HFT) focal plane. We discuss the design and optical characterization of two LiteBIRD HFT detector types: dual-polarization, dual-frequency-band pixels with 195/280 GHz and 235/337 GHz band centers. Results show well-matched passbands between orthogonal polarization channels and frequency centers within 3% of the design values. The optical efficiency of each frequency channel is conservatively reported to be within the range 0.64−0.72, determined from the response to a cryogenic, temperature-controlled thermal source. These values are in good agreement with expectations and either exceed or are within 10% of the values used in the LiteBIRD sensitivity forecast. Lastly, we report a measurement of loss in Nb/SiNx/Nb microstrip at 100 mK and over the frequency range 200–350 GHz, which is comparable to values previously reported in the literature

Published
2022

16. The LiteBIRD mission to explore cosmic inflation

Author

Coyle, Laura E., Matsuura, Shuji, Perrin, Marshall D., Ghigna, T., Adler, A., Aizawa, K., Akamatsu, H., Akizawa, R., Allys, E., Anand, A., Aumont, J., Austermann, J., Azzoni, S., Baccigalupi, C., Ballardini, M., Banday, A., Barreiro, R., Bartolo, N., Basak, S., Basyrov, A., Beckman, S., Bersanelli, M., Bortolami, M., Bouchet, F., Brinckmann, T., Campeti, P., Carinos, E., Carones, A., Casas, F. J., Cheung, K., Chinone, Y., Clermont, L., Columbro, F., Coppolecchia, A., Curtis, D., de Bernardis, P., de Haan, T., de la Hoz, E., De Petris, M., Della Torre, S., Delle Monache, G., Di Giorgi, E., Dickinson, C., Diego-Palazuelos, P., Díaz García, J. J., Dobbs, M., Dotani, T., Eriksen, H. K., Errard, J., Essinger-Hileman, T., Farias, N., Ferreira, E., Franceschet, C., Fuskeland, U., Galloni, G., Galloway, M., Ganga, K., Gerbino, M., Gervasi, M., Génova-Santos, R. T., Giardiello, S., Gimeno-Amo, C., Gjerløw, E., González González, R., Grandsire, L., Gruppuso, A., Halverson, N., Hargrave, P., Harper, S. E., Hazumi, M., Henrot-Versillé, S., Hergt, L. T., Herranz, D., Hivon, E., Hlozek, R., Hoang, T. D., Hubmayr, J., Ichiki, K., Ikuma, K., Ishino, H., Jaehnig, G., Jost, B., Kohri, K., Konishi, K., Lamagna, L., Lattanzi, M., Leloup, C., Levrier, F., Lanoppan, A., Luzzi, G., Macias-Perez, J., Maffei, B., Marchitelli, E., Martínez-González, E., Masi, S., Matarrese, S., Matsumura, T., Micheli, S., Migliaccio, M., Monelli, M., Montier, L., Morgante, G., Mousset, L., Nagano, Y., Nagata, R., Natoli, P., Novelli, A., Noviello, F., Obata, I., Occhiuzzi, A., Odagiri, K., Omae, R., Pagano, L., Paiella, A., Paoletti, D., Pascual-Cisneros, G., Patanchon, G., Pavlidou, V., Piacentini, F., Piat, M., Piccirilli, G., Pinchera, M., Pisano, G., Porcelli, L., Raffuzzi, N., Raum, C., Remazeilles, M., Ritacco, A., Rubino-Martin, J., Ruiz-Granda, M., Sakurai, Y., Savini, G., Scott, D., Sekimoto, Y., Shiraishi, M., Signorelli, G., Stever, S. L., Sullivan, R., Suzuki, A., Takaku, R., Takakura, H., Takakura, S., Takase, Y., Tartari, A., Tassis, K., Thompson, K. L., Tomasi, M., Tristram, M., Tucker, C., Vacher, L., van Tent, B., Vielva, P., Watanuki, K., Wehus, I. K., Westbrook, B., Weymann-Despres, G., Winter, B., Wollack, E. J., Zacchei, A., Zannoni, M., and Zhou, Y.

Published
2024
Full Text
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17. Optical Characterization of OMT-Coupled TES Bolometers for LiteBIRD

Author

J. Hubmayr, P. A. R. Ade, A. Adler, E. Allys, D. Alonso, K. Arnold, D. Auguste, J. Aumont, R. Aurlien, J. E. Austermann, S. Azzoni, C. Baccigalupi, A. J. Banday, R. Banerji, R. B. Barreiro, N. Bartolo, S. Basak, E. Battistelli, L. Bautista, J. A. Beall, D. Beck, S. Beckman, K. Benabed, J. Bermejo-Ballesteros, M. Bersanelli, J. Bonis, J. Borrill, F. Bouchet, F. Boulanger, S. Bounissou, M. Brilenkov, M. L. Brown, M. Bucher, E. Calabrese, M. Calvo, P. Campeti, A. Carones, F. J. Casas, A. Catalano, A. Challinor, V. Chan, K. Cheung, Y. Chinone, C. Chiocchetta, S. E. Clark, L. Clermont, S. Clesse, J. Cliche, F. Columbro, J. A. Connors, A. Coppolecchia, W. Coulton, J. Cubas, A. Cukierman, D. Curtis, F. Cuttaia, G. D’Alessandro, K. Dachlythra, P. de Bernardis, T. de Haan, E. de la Hoz, M. De Petris, S. Della Torre, J. J. Daz Garca, C. Dickinson, P. Diego-Palazuelos, M. Dobbs, T. Dotani, D. Douillet, E. Doumayrou, L. Duband, A. Ducout, S. M. Duff, J. M. Duval, K. Ebisawa, T. Elleflot, H. K. Eriksen, J. Errard, T. Essinger-Hileman, S. Farrens, F. Finelli, R. Flauger, K. Fleury-Frenette, C. Franceschet, U. Fuskeland, L. Galli, S. Galli, M. Galloway, K. Ganga, J. R. Gao, R. T. Genova-Santos, M. Georges, M. Gerbino, M. Gervasi, T. Ghigna, S. Giardiello, E. Gjerlw, R. Gonzlez Gonzles, M. L. Gradziel, J. Grain, L. Grandsire, F. Grupp, A. Gruppuso, J. E. Gudmundsson, N. W. Halverson, J. Hamilton, P. Hargrave, T. Hasebe, M. Hasegawa, M. Hattori, M. Hazumi, S. Henrot-Versill, B. Hensley, D. Herman, D. Herranz, G. C. Hilton, E. Hivon, R. A. Hlozek, D. Hoang, A. L. Hornsby, Y. Hoshino, K. Ichiki, T. Iida, T. Ikemoto, H. Imada, K. Ishimura, H. Ishino, G. Jaehnig, M. Jones, T. Kaga, S. Kashima, N. Katayama, A. Kato, T. Kawasaki, R. Keskitalo, C. Kintziger, T. Kisner, Y. Kobayashi, N. Kogiso, A. Kogut, K. Kohri, E. Komatsu, K. Komatsu, K. Konishi, N. Krachmalnicoff, I. Kreykenbohm, C. L. Kuo, A. Kushino, L. Lamagna, J. V. Lanen, G. Laquaniello, M. Lattanzi, A. T. Lee, C. Leloup, F. Levrier, E. Linder, M. J. Link, A. I. Lonappan, T. Louis, G. Luzzi, J. Macias-Perez, T. Maciaszek, B. Maffei, D. Maino, M. Maki, S. Mandelli, M. Maris, B. Marquet, E. Martnez-Gonzlez, F. A. Martire, S. Masi, M. Massa, M. Masuzawa, S. Matarrese, F. T. Matsuda, T. Matsumura, L. Mele, A. Mennella, M. Migliaccio, Y. Minami, K. Mitsuda, A. Moggi, M. Monelli, A. Monfardini, J. Montgomery, L. Montier, G. Morgante, B. Mot, Y. Murata, J. A. Murphy, M. Nagai, Y. Nagano, T. Nagasaki, R. Nagata, S. Nakamura, R. Nakano, T. Namikawa, F. Nati, P. Natoli, S. Nerval, N. Neto Godry Farias, T. Nishibori, H. Nishino, F. Noviello, G. C. O’Neil, C. O’Sullivan, K. Odagiri, H. Ochi, H. Ogawa, S. Oguri, H. Ohsaki, I. S. Ohta, N. Okada, L. Pagano, A. Paiella, D. Paoletti, G. Pascual Cisneros, A. Passerini, G. Patanchon, V. Pelgrim, J. Peloton, V. Pettorino, F. Piacentini, M. Piat, G. Piccirilli, F. Pinsard, G. Pisano, J. Plesseria, G. Polenta, D. Poletti, T. Prouv, G. Puglisi, D. Rambaud, C. Raum, S. Realini, M. Reinecke, C. D. Reintsema, M. Remazeilles, A. Ritacco, P. Rosier, G. Roudil, J. Rubino-Martin, M. Russell, H. Sakurai, Y. Sakurai, M. Sandri, M. Sasaki, G. Savini, D. Scott, J. Seibert, Y. Sekimoto, B. Sherwin, K. Shinozaki, M. Shiraishi, P. Shirron, A. Shitvov, G. Signorelli, G. Smecher, F. Spinella, J. Starck, S. Stever, R. Stompor, R. Sudiwala, S. Sugiyama, R. Sullivan, A. Suzuki, J. Suzuki, T. Suzuki, T. L. Svalheim, E. Switzer, R. Takaku, H. Takakura, S. Takakura, Y. Takase, Y. Takeda, A. Tartari, D. Tavagnacco, A. Taylor, E. Taylor, Y. Terao, L. Terenzi, J. Thermeau, H. Thommesen, K. L. Thompson, B. Thorne, T. Toda, M. Tomasi, M. Tominaga, N. Trappe, M. Tristram, M. Tsuji, M. Tsujimoto, C. Tucker, R. Ueki, J. N. Ullom, K. Umemori, L. Vacher, J. Van Lanen, G. Vermeulen, P. Vielva, F. Villa, M. R. Vissers, N. Vittorio, B. Wandelt, W. Wang, I. K. Wehus, J. Weller, B. Westbrook, G. Weymann-Despres, J. Wilms, B. Winter, E. J. Wollack, N. Y. Yamasaki, T. Yoshida, J. Yumoto, K. Watanuki, A. Zacchei, M. Zannoni, A. Zonca, Hubmayr, J, Ade, P, Adler, A, Allys, E, Alonso, D, Arnold, K, Auguste, D, Aumont, J, Aurlien, R, Austermann, J, Azzoni, S, Baccigalupi, C, Banday, A, Banerji, R, Barreiro, R, Bartolo, N, Basak, S, Battistelli, E, Bautista, L, Beall, J, Beck, D, Beckman, S, Benabed, K, Bermejo-Ballesteros, J, Bersanelli, M, Bonis, J, Borrill, J, Bouchet, F, Boulanger, F, Bounissou, S, Brilenkov, M, Brown, M, Bucher, M, Calabrese, E, Calvo, M, Campeti, P, Carones, A, Casas, F, Catalano, A, Challinor, A, Chan, V, Cheung, K, Chinone, Y, Chiocchetta, C, Clark, S, Clermont, L, Clesse, S, Cliche, J, Columbro, F, Connors, J, Coppolecchia, A, Coulton, W, Cubas, J, Cukierman, A, Curtis, D, Cuttaia, F, D’Alessandro, G, Dachlythra, K, de Bernardis, P, de Haan, T, de la Hoz, E, De Petris, M, Della Torre, S, Daz Garca, J, Dickinson, C, Diego-Palazuelos, P, Dobbs, M, Dotani, T, Douillet, D, Doumayrou, E, Duband, L, Ducout, A, Duff, S, Duval, J, Ebisawa, K, Elleflot, T, Eriksen, H, Errard, J, Essinger-Hileman, T, Farrens, S, Finelli, F, Flauger, R, Fleury-Frenette, K, Franceschet, C, Fuskeland, U, Galli, L, Galli, S, Galloway, M, Ganga, K, Gao, J, Genova-Santos, R, Georges, M, Gerbino, M, Gervasi, M, Ghigna, T, Giardiello, S, Gjerlw, E, Gonzles, R, Gradziel, M, Grain, J, Grandsire, L, Grupp, F, Gruppuso, A, Gudmundsson, J, Halverson, N, Hamilton, J, Hargrave, P, Hasebe, T, Hasegawa, M, Hattori, M, Hazumi, M, Henrot-Versill, S, Hensley, B, Herman, D, Herranz, D, Hilton, G, Hivon, E, Hlozek, R, Hoang, D, Hornsby, A, Hoshino, Y, Ichiki, K, Iida, T, Ikemoto, T, Imada, H, Ishimura, K, Ishino, H, Jaehnig, G, Jones, M, Kaga, T, Kashima, S, Katayama, N, Kato, A, Kawasaki, T, Keskitalo, R, Kintziger, C, Kisner, T, Kobayashi, Y, Kogiso, N, Kogut, A, Kohri, K, Komatsu, E, Komatsu, K, Konishi, K, Krachmalnicoff, N, Kreykenbohm, I, Kuo, C, Kushino, A, Lamagna, L, Lanen, J, Laquaniello, G, Lattanzi, M, Lee, A, Leloup, C, Levrier, F, Linder, E, Link, M, Lonappan, A, Louis, T, Luzzi, G, Macias-Perez, J, Maciaszek, T, Maffei, B, Maino, D, Maki, M, Mandelli, S, Maris, M, Marquet, B, Martnez-Gonzlez, E, Martire, F, Masi, S, Massa, M, Masuzawa, M, Matarrese, S, Matsuda, F, Matsumura, T, Mele, L, Mennella, A, Migliaccio, M, Minami, Y, Mitsuda, K, Moggi, A, Monelli, M, Monfardini, A, Montgomery, J, Montier, L, Morgante, G, Mot, B, Murata, Y, Murphy, J, Nagai, M, Nagano, Y, Nagasaki, T, Nagata, R, Nakamura, S, Nakano, R, Namikawa, T, Nati, F, Natoli, P, Nerval, S, Neto Godry Farias, N, Nishibori, T, Nishino, H, Noviello, F, O’Neil, G, O’Sullivan, C, Odagiri, K, Ochi, H, Ogawa, H, Oguri, S, Ohsaki, H, Ohta, I, Okada, N, Pagano, L, Paiella, A, Paoletti, D, Pascual Cisneros, G, Passerini, A, Patanchon, G, Pelgrim, V, Peloton, J, Pettorino, V, Piacentini, F, Piat, M, Piccirilli, G, Pinsard, F, Pisano, G, Plesseria, J, Polenta, G, Poletti, D, Prouv, T, Puglisi, G, Rambaud, D, Raum, C, Realini, S, Reinecke, M, Reintsema, C, Remazeilles, M, Ritacco, A, Rosier, P, Roudil, G, Rubino-Martin, J, Russell, M, Sakurai, H, Sakurai, Y, Sandri, M, Sasaki, M, Savini, G, Scott, D, Seibert, J, Sekimoto, Y, Sherwin, B, Shinozaki, K, Shiraishi, M, Shirron, P, Shitvov, A, Signorelli, G, Smecher, G, Spinella, F, Starck, J, Stever, S, Stompor, R, Sudiwala, R, Sugiyama, S, Sullivan, R, Suzuki, A, Suzuki, J, Suzuki, T, Svalheim, T, Switzer, E, Takaku, R, Takakura, H, Takakura, S, Takase, Y, Takeda, Y, Tartari, A, Tavagnacco, D, Taylor, A, Taylor, E, Terao, Y, Terenzi, L, Thermeau, J, Thommesen, H, Thompson, K, Thorne, B, Toda, T, Tomasi, M, Tominaga, M, Trappe, N, Tristram, M, Tsuji, M, Tsujimoto, M, Tucker, C, Ueki, R, Ullom, J, Umemori, K, Vacher, L, Van Lanen, J, Vermeulen, G, Vielva, P, Villa, F, Vissers, M, Vittorio, N, Wandelt, B, Wang, W, Wehus, I, Weller, J, Westbrook, B, Weymann-Despres, G, Wilms, J, Winter, B, Wollack, E, Yamasaki, N, Yoshida, T, Yumoto, J, Watanuki, K, Zacchei, A, Zannoni, M, Zonca, A, and National Aeronautics and Space Administration (US)

Subjects
CMB, TES, OMT, Low temperature detector, Bolometer, FIS/05 - ASTRONOMIA E ASTROFISICA, Settore FIS/05 - Astronomia e Astrofisica, General Materials Science, Condensed Matter Physics, CMB, TES, OMT, Low temperature detector, Bolometer, Atomic and Molecular Physics, and Optics
Abstract

et al., Feedhorn- and orthomode transducer- (OMT) coupled transition edge sensor (TES) bolometers have been designed and micro-fabricated to meet the optical specifications of the LiteBIRD high frequency telescope (HFT) focal plane. We discuss the design and optical characterization of two LiteBIRD HFT detector types: dual-polarization, dual-frequency-band pixels with 195/280 GHz and 235/337 GHz band centers. Results show well-matched passbands between orthogonal polarization channels and frequency centers within 3% of the design values. The optical efficiency of each frequency channel is conservatively reported to be within the range 0.64−0.72, determined from the response to a cryogenic, temperature-controlled thermal source. These values are in good agreement with expectations and either exceed or are within 10% of the values used in the LiteBIRD sensitivity forecast. Lastly, we report a measurement of loss in Nb/SiNx/Nb microstrip at 100 mK and over the frequency range 200–350 GHz, which is comparable to values previously reported in the literature., This work is supported by NASA under grant no. 80NSSC18K0132.

Published
2022

18. Mach-Zehnder Modulators for Microwave Polarization Measurement in Astronomy Applications.

Author

Casas FJ and Pascual-Cisneros G

Abstract

This paper presents a study of the performances of different Mach-Zehnder modulation technologies with applications in microwave polarimeters based on a near-infrared (NIR) frequency up-conversion stage, allowing for optical correlation and signal detection at a wavelength of 1550 nm. Commercial Mach-Zehnder modulators (MZMs) are traditionally implemented using LiNbO 3 technology, which does not enable integration for the fabrication of MZMs. In this work, we propose the use of an alternative technology based on InP, which allows for integration in the fabrication process. In this way, it is possible to obtain advantages in terms of bandwidth, cost, and size reductions, which yield results that are very interesting for wide-band applications such as microwave instrumentation for the study of the cosmic microwave background (CMB). Here, we describe and compare the modulation performances of different MZMs, with one commercial unit presenting a higher bandwidth than those in previous works, and another three InP integrated units provided by the Fraunhofer Institute for Telecommunications, Heinrich-Hertz-Institute (HHI). Then, these modulators were coupled to a microwave polarimeter demonstrator, which has also been presented previously, to compare the polarization measurement performances of each of the MZMs.

Published
2023
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19. Optimization of a Microwave Polarimeter for Astronomy with Optical Correlation and Detection.

Author

Pascual-Cisneros G, Casas FJ, and Vielva P

Abstract

Cosmic Microwave Background (CMB) B-modes detection is the main focus of future CMB experiments because of the valuable information it contains, particularly to probe the physics of the very early universe. For this reason, we have developed an optimized polarimeter demonstrator sensitive to the 10-20 GHz band in which the signal received by each antenna is modulated into a Near Infrared (NIR) laser by a Mach-Zehnder modulator. Then, these modulated signals are optically correlated and detected using photonic back-end modules consisting of voltage-controlled phase shifters, a 90-degree optical hybrid, a pair of lenses, and an NIR camera. During laboratory tests, a 1/f-like noise signal related to the low phase stability of the demonstrator has been found experimentally. To solve this issue, we have developed a calibration method that allows us to remove this noise in an actual experiment, until obtaining the required accuracy level in the measurement of polarization.

Published
2023
Full Text
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