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诱惑态在“双探测器”准单光子光源量子密钥分发系统中的应用 被引量:7

Decoy state quantum key distribution with dual detectorsheralded single photon source
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摘要 现在诱惑态已被证明是一种可以大大提高量子密钥分发安全性能的现实可行的方法.由于考虑到现实应用中激光器在调制过程中的消光比不能做到100%,以及激光器固有的自发辐射因而使得制备真空态并不是一件容易的事情.因此本文将对理想情况下准单光子光源量子密钥分发系统应用中的诱惑态结论作了补充和扩展,提出了两个弱光强态的诱惑态方案和一个弱光强诱惑态方案.最后,将"双探测器"的理论应用在准单光子源(HSPS)光源系统中,使系统的安全传输距离可达到221·5km,比使用普通探测器的系统增加了约50km. Decoy state has recently been proved as a useful method for substantially improving the performance of quantum key distribution (QKD). Considering the imperfect extinction ratio and the spontaneous emission of the practical Laser, vacuum states are not prepared easily. So in this paper, the optimal situation of the decoy state protocol applied to the QKD system with heralded single photon source (HSPS) is complemented and extended. The two weak decoy state protocol and the one decoy state protocol are proposed. At last, the theory of "dual detectors" is combined with the QKD system with HSPS. In the simulation, the secure distance is up to 221.5 km, which is approximately 50 km more than that of the on-off detectors.
出处 《物理学报》 SCIE EI CAS CSCD 北大核心 2008年第2期678-684,共7页 Acta Physica Sinica
基金 国家自然科学基金(批准号:60578055) 国家重点基础研究发展计划973项目(批准号:2007CB307001)资助的课题.~~
关键词 量子密钥分发 诱惑态 HSPS光源 双探测器 quantum key distribution, decoy state, heralded single photon source, dual detectors
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参考文献27

  • 1Bennett C H, Brassard G 1984 Proceeding of IEEE International Confererwe on Computers, Systems, and Signal Processing (New York: IEEE) p175
  • 2Mayer D, Assoc J 2001 Comput. Math. 48 351
  • 3Shor P W, Preshill J 2000 Phys. Rev. Lett. 88 441
  • 4Deutsch D, Ekert A, Jozsa R, Macchiavello C, Popescu S, Sanpera A 1996 Phys. Rev. Lett. 77 2818
  • 5Deutsch D, Ekert A, Jozsa R, Macchiavello C, Popescu S, Sanpera A 1998 Phys. Rev. Lett. E 80 2022
  • 6Inamori H, Lutkenhause N, Mayers D 2001 http ://arxiv. org/abs/ quant- ph / 0107017
  • 7Gottesman D, Lo H K, Lutkenhaus N, Preskill J 2004 Quantum Inf. Comput. 4 325
  • 8Huttner B, Imoto N, Gisin N, Mor T 1995 Phys. Rev. A 51 1863
  • 9Lutkenhaus N, Jahma M 2002 New. J. Phys. 4 44
  • 10Scarani V, Acin A, Robordy G, Ginsin N 2004 Phys. Rev. Lett. 92 57901

二级参考文献20

  • 1[1]Bennett C H, Bessette F, Brassard G, Salvail L and Smolin J 1992 J. Cryptol. 5 3
  • 2[2]Lo M K and Chan H F 1999 Science 283 2050
  • 3[3]Shor P W and Preskill J 2000 Phys. Rev. Lett. 85 441
  • 4[4]Wootters W K and Zurek W H 1982 Nature 299 802
  • 5[5]Mandel L 1983 Nature 304 188
  • 6[6]Bennett C H and Brassard G 1984 Proceedings of IEEE International Conference on Computers, Systems and Signal Processing, Bangalore, India (New York:IEEE) pp 175-179
  • 7[7]Bruss D 1998 Phys. Rev. Lett. 81 3018
  • 8[8]Bechmann-Pasquinucci H and Gisin N 1999 Phys. Rev. A 59 4238
  • 9[9]Hwang W Y, Ahn D and Hwang S W 2000 Preprint quant-ph/0009006
  • 10[12]Born M and Wolf E 1999 Principles of Optics 7th (expanded)ed(Cambridge:Cambridge University Press)

共引文献17

同被引文献68

  • 1唐志列,李铭,魏正军,卢非,廖常俊,刘颂豪.相位-偏振编码的量子保密通信系统的研究[J].物理学报,2005,54(6):2534-2539. 被引量:16
  • 2李明明,王发强,路轶群,赵峰,陈霞,梁瑞生,刘颂豪.高稳定的差分相位编码量子密钥分发系统[J].物理学报,2006,55(9):4642-4646. 被引量:10
  • 3郑力明,王发强,刘颂豪.光纤色散与损耗对光量子密钥分发系统的影响[J].物理学报,2007,56(4):2180-2183. 被引量:9
  • 4林一满,梁瑞生,路轶群,路洪,郭邦红,刘颂豪.自动补偿高效的差分相位编码QKD系统[J].物理学报,2007,56(7):3931-3936. 被引量:3
  • 5Bennett C H, Brassard G. Quantum cryptography: public key and coin tossing [C]. Proceedings of the IEEE International Conference on Computer Systems and Signal Processing [M]. New York: Institute of Electronics Engineers, 1984. 175.
  • 6Mo Xiaofan, Zhu Bing, Han Zhengfu, et al. Faraday-Michelson system for quantum cryptography [J]. Opt. Lett., 2005,30: 2632.
  • 7Kimura T, Nambu Y, Hatanaka T, et al. Single-photon interference over 150 km transmission using silica-based interatedoptic interferometers for quantum cryptography [J]. Jpn J. of Appl. Phys., 2004, 43: L1217-L1219.
  • 8Peng Xue, et al. Addendum to "Efficient quantum-key-distribution scheme with nonmaximally entangled states" [J]. Phys. Rev. A, 2002, 65(3B): 022317.
  • 9Ursin R,et al. Free-space distribution of entanglement and single photons over 144 km[OL]. http://arxiv.org/abs/quant-ph/0607182.
  • 10Buttler W T, et al. Daylight quantum key distribution over 1.6 km [J]. Phy. Rev. Lett., 2000, 84: 5652.

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