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5 results on '"Lue Wu"'

4. Towards milli-Hertz laser frequency noise on a chip

Author

Kerry J. Vahala, Lue Wu, Heming Wang, and Zhiquan Yuan

Subjects
Physics, Noise measurement, business.industry, Physics::Optics, Fundamental frequency, Chip, Laser, law.invention, Brillouin zone, Optics, law, Hertz, System on a chip, business, Noise (radio)
Abstract

A fundamental frequency noise of 9 mHz·Hz/Hz is demonstrated in an on-chip Brillouin laser. The noise measurement uses the frequency discrimination method enhanced by cross-correlator. The results set new performance targets for chip-based laser platforms.

Published
2021

5. Probing the Material Loss and Optical Nonlinearity of Integrated Photonic Materials

Author

Lin Chang, Heming Wang, Maodong Gao, Qing-Xin Ji, Scott B. Papp, Boqiang Shen, Junqiu Liu, Su-Peng Yu, Tobias J. Kippenberg, Weiqiang Xie, Kerry J. Vahala, Qi-Fan Yang, Zhiquan Yuan, Lue Wu, Guanhao Huang, and John E. Bowers

Subjects
Materials science, business.industry, Physics::Optics, Nonlinear spectroscopy, microcavities, Photonic metamaterial, Nonlinear system, Optical nonlinearity, Q factor, Optoelectronics, Absorption (electromagnetic radiation), business, Spectroscopy, Parametric statistics
Abstract

Optical absorption and nonlinear index are important performance drivers in devices like microcombs and parametric oscillators. Here we use resonance-enhanced nonlinear spectroscopy to characterize absorption limits and nonlinear index for some integrated photonic materials. (c) 2021 The Author(s)

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