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939 results on '"Gisin, N."'

205. Long-term performance of the SwissQuantum quantum key distribution network in a field environment

Author

Stucki, D, primary, Legré, M, additional, Buntschu, F, additional, Clausen, B, additional, Felber, N, additional, Gisin, N, additional, Henzen, L, additional, Junod, P, additional, Litzistorf, G, additional, Monbaron, P, additional, Monat, L, additional, Page, J-B, additional, Perroud, D, additional, Ribordy, G, additional, Rochas, A, additional, Robyr, S, additional, Tavares, J, additional, Thew, R, additional, Trinkler, P, additional, Ventura, S, additional, Voirol, R, additional, Walenta, N, additional, and Zbinden, H, additional

Published
2011
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208. Towards an efficient atomic frequency comb quantum memory

Author

Amari, A., primary, Walther, A., additional, Sabooni, M., additional, Huang, M., additional, Kröll, S., additional, Afzelius, M., additional, Usmani, I., additional, Lauritzen, B., additional, Sangouard, N., additional, de Riedmatten, H., additional, and Gisin, N., additional

Published
2010
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210. Purification of Single-Photon Entanglement

Author

Salart, D., primary, Landry, O., additional, Sangouard, N., additional, Gisin, N., additional, Herrmann, H., additional, Sanguinetti, B., additional, Simon, C., additional, Sohler, W., additional, Thew, R. T., additional, Thomas, A., additional, and Zbinden, H., additional

Published
2010
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212. Quantum memories

Author

Simon, C., primary, Afzelius, M., additional, Appel, J., additional, Boyer de la Giroday, A., additional, Dewhurst, S. J., additional, Gisin, N., additional, Hu, C. Y., additional, Jelezko, F., additional, Kröll, S., additional, Müller, J. H., additional, Nunn, J., additional, Polzik, E. S., additional, Rarity, J. G., additional, De Riedmatten, H., additional, Rosenfeld, W., additional, Shields, A. J., additional, Sköld, N., additional, Stevenson, R. M., additional, Thew, R., additional, Walmsley, I. A., additional, Weber, M. C., additional, Weinfurter, H., additional, Wrachtrup, J., additional, and Young, R. J., additional

Published
2010
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214. Solid State Quantum Memories for Quantum Repeaters

Author

de Riedmatten, Hugues, primary, Usmani, I, additional, Lauritzen, B., additional, Clausen, C., additional, Minář, J., additional, Sangouard, N., additional, Simon, C., additional, Amari, A., additional, Walther, A., additional, Kröll, S., additional, Afzelius, M., additional, and Gisin, N., additional

Published
2010
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216. Security of quantum key distribution using d-level systems

Author

Cerf, N. J., Bourennane, M., Karlsson, Anders, Gisin, N., Cerf, N. J., Bourennane, M., Karlsson, Anders, and Gisin, N.

Abstract

We consider two quantum cryptographic schemes relying on encoding the key into qudits, i.e., quantum states in a d-dimensional Hilbert space. The first cryptosystem uses two mutually unbiased bases (thereby extending the BB84 scheme), while the second exploits all d + 1 available such bases (extending the six-state protocol for qubits). We derive the information gained by a potential eavesdropper applying a cloning-based individual attack, along with an upper bound on the error rate that ensures unconditional security against coherent attacks., QC 20100525

Published
2002
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217. Quantum key distribution using multilevel encoding : security analysis

Author

Bourennane, M., Karlsson, Anders, Björk, Gunnar, Gisin, N., Cerf, N. J., Bourennane, M., Karlsson, Anders, Björk, Gunnar, Gisin, N., and Cerf, N. J.

Abstract

We propose an extension of quantum key distribution based on encoding the key into quNits, i.e. quantum states in an N-dimensional Hilbert space. We,estimate both the mutual information between the legitimate parties and the eavesdropper, and the error rate, as a function of the dimension of the Hilbert space. We derive the information gained by an eavesdropper using optimal incoherent attacks and an upper bound on the legitimate party error rate that ensures unconditional security when the eavesdropper uses finite coherent eavesdropping attacks. We also consider realistic systems where we assume that the detector dark count probability is not negligible., QC 20100525

Published
2002
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218. Approaches to single photon detection

Author

Thew, R.T., primary, Curtz, N., additional, Eraerds, P., additional, Walenta, N., additional, Gautier, J.-D., additional, Koller, E., additional, Zhang, J., additional, Gisin, N., additional, and Zbinden, H., additional

Published
2009
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220. The SECOQC quantum key distribution network in Vienna

Author

Peev, M, primary, Pacher, C, additional, Alléaume, R, additional, Barreiro, C, additional, Bouda, J, additional, Boxleitner, W, additional, Debuisschert, T, additional, Diamanti, E, additional, Dianati, M, additional, Dynes, J F, additional, Fasel, S, additional, Fossier, S, additional, Fürst, M, additional, Gautier, J-D, additional, Gay, O, additional, Gisin, N, additional, Grangier, P, additional, Happe, A, additional, Hasani, Y, additional, Hentschel, M, additional, Hübel, H, additional, Humer, G, additional, Länger, T, additional, Legré, M, additional, Lieger, R, additional, Lodewyck, J, additional, Lorünser, T, additional, Lütkenhaus, N, additional, Marhold, A, additional, Matyus, T, additional, Maurhart, O, additional, Monat, L, additional, Nauerth, S, additional, Page, J-B, additional, Poppe, A, additional, Querasser, E, additional, Ribordy, G, additional, Robyr, S, additional, Salvail, L, additional, Sharpe, A W, additional, Shields, A J, additional, Stucki, D, additional, Suda, M, additional, Tamas, C, additional, Themel, T, additional, Thew, R T, additional, Thoma, Y, additional, Treiber, A, additional, Trinkler, P, additional, Tualle-Brouri, R, additional, Vannel, F, additional, Walenta, N, additional, Weier, H, additional, Weinfurter, H, additional, Wimberger, I, additional, Yuan, Z L, additional, Zbinden, H, additional, and Zeilinger, A, additional

Published
2009
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224. Zeeman-level lifetimes inEr3+:Y2SiO5

Author

Hastings-Simon, S. R., primary, Lauritzen, B., additional, Staudt, M. U., additional, van Mechelen, J. L. M., additional, Simon, C., additional, de Riedmatten, H., additional, Afzelius, M., additional, and Gisin, N., additional

Published
2008
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226. Spectral hole-burning spectroscopy inNd3+:YVO4

Author

Hastings-Simon, S. R., primary, Afzelius, M., additional, Minář, J., additional, Staudt, M. U., additional, Lauritzen, B., additional, de Riedmatten, H., additional, Gisin, N., additional, Amari, A., additional, Walther, A., additional, Kröll, S., additional, Cavalli, E., additional, and Bettinelli, M., additional

Published
2008
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234. Towards Long-Distance Quantum Communication

Author

Tittel, W., primary, Afzelius, M., additional, Gisin, N., additional, Ricken, R., additional, Hastings-Simon, S., additional, Scarani, V., additional, Suche, H., additional, Sohler, W., additional, and Staudt, M., additional

Published
2007
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