Impact of Cross-Phase Modulation Induced by Classical Channels on the CV-QKD in a Hybrid System
CHEN Yan, SHEN Yong, TANG Guang-Zhao, ZOU Hong-Xin**
Department of Physics, National University of Defense Technology, Changsha 410073
Abstract ：We calculate the magnitude of cross phase modulation (XPM) induced by classical channels, and analyze its impact on quantum secure key rate. The results show that the XPM induced by classical signals is small and its impact on the quantum key distribution can be neglected.
收稿日期: 2013-05-15
出版日期: 2013-11-30
:
03.67.-a
(Quantum information)
42.50.Lc
(Quantum fluctuations, quantum noise, and quantum jumps)
42.55.Ah
(General laser theory)
[1] ID Quantique http://www.idquantique.com MagiQ Technologies http://www.magiqtech.com Sci. Rep. 6 262The 16th Annual Meeting of the IEEE 2 744Optical Fiber Communication Conference and Exposition, and the National Fiber Optic Engineers Conference, Tech. Dig.(CD) (Washington, DC: Optical Society of America) paper OTuJ7AIP Conf. Proc. 2009 New J. Phys. 11 045012 2010 New J. Phys. 12 063027 2009 New J. Phys. 11 105001 2003 Nature 421 238 New J. Phys. 12 103041990 J. Lightwave Technol. 8 1716 2012 IEEE Photon. Technol. Lett. 24 733 2009 J. Lightwave Technol. 27 3974 Dig. IEEE/LEOS Summer Topical Meetings p 1252008 IEEE Photon. Technol. Lett. 20 1314 2007 Phys. Rev. A 76 052323 2002 IEEE Photon. Technol. Lett. 14 155 IEEE J. Sel. Top. Quantum Electron. 10 4212010 IEEE J. Solid-State Circuits 45 264 Acta Phys. Sin. 59 1473 (in Chinese)2007 Phys. Rev. A 76 042305 2010 Phys. Rev. A 82 022317 2002 Phys. Rev. A 66 060302 2003 Nature 421 238
[1]
.
[2]
.
[3]
.
[4]
.
[5]
.
[6]
.
[7]
.
[8]
.
[9]
.
[10]
.
[11]
.
[12]
.
[13]
.
[14]
.
[15]
.
2013, Vol. 30 
