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Since the single photon is easy to attenuate and be disturbed, its key generation rate and transmission distance in quantum communication systems are generally limited. In contrast, weak coherent pulse (WCP) and heralded single photon source (HSPS) exhibit higher feasibility than the single photon source in quantum key distributions (QKD). We compare the performances of QKD using these two kinds of photon sources and decoy state method, incorporating data-postprocessing methods including the Lütkenhaus scheme and Gottesman-Lo-Lütkenhaus- Preskill (GLLP) scheme. Simulation results indicate that QKD using HSPS can transmit longer distance than using WCP with lower overall quantum bit error rate (QBER) at the same transmission distance, albeit with relatively low key generation rate.
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Keywords:
- quantum key distribution /
- decoy state /
- weak coherent pulse /
- heralded single photon source
[1] Gisin N, Ribordy G, Tittel W, Zbinden H 2002 Rev. Mod. Phys. 74 145
[2] Bennett C H, Brassard G 1984 Proceedings of IEEE International Conference on Computers, Systems, and Signal Processing, Bangalore, India (New York: IEEE) p175
[3] Tao Y, Pan W, Luo B, Li F 2008 Acta Electron. Sin.30 2588(in Chinese)[陶 原、潘 炜、罗 斌、李 丰 2008 电子学报 30 2588]
[4] Rosenberg D, Harrington J W, Rice P R, Hiskett P A, Peterson C G, Hughes R J, Lita A E, Nam S W, Nordholt J E 2007 Phys. Rev. Lett. 98 010503
[5] Waks E, Santori C, Yamamoto Y 2002 Phys. Rev. A 66 042315
[6] Wang Q, Wang X B, Guo G C 2007 Phys. Rev. A 75 012312
[7] Quan D X, Pei C X, Zhu C H, Liu D 2008 Acta Phys. Sin. 57 5600 (in Chinese) [权东晓、裴昌幸、朱畅华、刘 丹 2008 物理学报 57 5600]
[8] Wang X B 2005 Phys. Rev. Lett. 94 230503
[9] Hwang W Y 2003 Phys. Rev. Lett. 91 057901
[10] Lo H K, Ma X F, Chen K 2005 Phys. Rev. Lett. 94 230504
[11] Ma X F, Qi B, Zhao Yi, Lo H K 2005 Phys. Rev. A 72 012326
[12] Yin Z Q, Han Z F, Chen W, Xu F X, Wu Q L, Guo G C 2008 Chin. Phys. Lett. 10 3547
[13] Jiao R Z, Zhang W H 2009 Acta Phys. Sin. 58 2189(in Chinese) [焦荣珍、张文翰 2009 物理学报 58 2189]
[14] Li J B, Fang X M 2006 Chin. Phys. Lett. 6 1375
[15] Hu H P, Wang J D, Huang Y X, Liu S H, Lu W 2010 Acta Phys. Sin. 59 287 (in Chinese) [胡华鹏、王金东、黄宇娴、刘颂豪、路 巍 2010 物理学报 59 287]
[16] Mi J L, Wang F Q, Lin Q Q, Liang R S, Liu S H 2008 Chin. Phys. B 17 1178
[17] Mi J L, Wang F Q, Lin Q Q, Liang R S, Liu S H 2008 Acta Phys. Sin. 57 678 (in Chinese) [米景隆、王发强、林青群、梁瑞生、刘颂豪 2008 物理学报 57 678]
[18] Ma X F 2006 Phys. Rev. A 74 052325
[19] Lütkenhaus N 2000 Phys. Rev. A 61 052304
[20] Gottesman D, Lo H K, Lütkenhaus N, Preskill J 2004 Quantum Inf. Comput. 4 325
[21] Townsend P D 1998 IEEE Photonics Technol. Lett. 10 1048
[22] Ribordy G, Gautier J D, Gisin N, Guinnard O, Zbinden H 1998 Electron. Lett. 34 2116
[23] Bourennane M, Gibson F, Karlsson A, Hening A, Jonsson P, Tsegaye T, Ljunggren D, Sundberg E1999 Opt. Express 4 383
[24] Gobby C, Yuan Z L, Shields A J 2004 Appl. Phys. Lett. 84 3762
[25] Shor P W, Preskill J 2000 Phys. Rev. Lett. 85 441
[26] Zhang S L, Zou X B, Li K, Jin C H, Guo G C 2007 Phys. Rev. A 76 044304
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[1] Gisin N, Ribordy G, Tittel W, Zbinden H 2002 Rev. Mod. Phys. 74 145
[2] Bennett C H, Brassard G 1984 Proceedings of IEEE International Conference on Computers, Systems, and Signal Processing, Bangalore, India (New York: IEEE) p175
[3] Tao Y, Pan W, Luo B, Li F 2008 Acta Electron. Sin.30 2588(in Chinese)[陶 原、潘 炜、罗 斌、李 丰 2008 电子学报 30 2588]
[4] Rosenberg D, Harrington J W, Rice P R, Hiskett P A, Peterson C G, Hughes R J, Lita A E, Nam S W, Nordholt J E 2007 Phys. Rev. Lett. 98 010503
[5] Waks E, Santori C, Yamamoto Y 2002 Phys. Rev. A 66 042315
[6] Wang Q, Wang X B, Guo G C 2007 Phys. Rev. A 75 012312
[7] Quan D X, Pei C X, Zhu C H, Liu D 2008 Acta Phys. Sin. 57 5600 (in Chinese) [权东晓、裴昌幸、朱畅华、刘 丹 2008 物理学报 57 5600]
[8] Wang X B 2005 Phys. Rev. Lett. 94 230503
[9] Hwang W Y 2003 Phys. Rev. Lett. 91 057901
[10] Lo H K, Ma X F, Chen K 2005 Phys. Rev. Lett. 94 230504
[11] Ma X F, Qi B, Zhao Yi, Lo H K 2005 Phys. Rev. A 72 012326
[12] Yin Z Q, Han Z F, Chen W, Xu F X, Wu Q L, Guo G C 2008 Chin. Phys. Lett. 10 3547
[13] Jiao R Z, Zhang W H 2009 Acta Phys. Sin. 58 2189(in Chinese) [焦荣珍、张文翰 2009 物理学报 58 2189]
[14] Li J B, Fang X M 2006 Chin. Phys. Lett. 6 1375
[15] Hu H P, Wang J D, Huang Y X, Liu S H, Lu W 2010 Acta Phys. Sin. 59 287 (in Chinese) [胡华鹏、王金东、黄宇娴、刘颂豪、路 巍 2010 物理学报 59 287]
[16] Mi J L, Wang F Q, Lin Q Q, Liang R S, Liu S H 2008 Chin. Phys. B 17 1178
[17] Mi J L, Wang F Q, Lin Q Q, Liang R S, Liu S H 2008 Acta Phys. Sin. 57 678 (in Chinese) [米景隆、王发强、林青群、梁瑞生、刘颂豪 2008 物理学报 57 678]
[18] Ma X F 2006 Phys. Rev. A 74 052325
[19] Lütkenhaus N 2000 Phys. Rev. A 61 052304
[20] Gottesman D, Lo H K, Lütkenhaus N, Preskill J 2004 Quantum Inf. Comput. 4 325
[21] Townsend P D 1998 IEEE Photonics Technol. Lett. 10 1048
[22] Ribordy G, Gautier J D, Gisin N, Guinnard O, Zbinden H 1998 Electron. Lett. 34 2116
[23] Bourennane M, Gibson F, Karlsson A, Hening A, Jonsson P, Tsegaye T, Ljunggren D, Sundberg E1999 Opt. Express 4 383
[24] Gobby C, Yuan Z L, Shields A J 2004 Appl. Phys. Lett. 84 3762
[25] Shor P W, Preskill J 2000 Phys. Rev. Lett. 85 441
[26] Zhang S L, Zou X B, Li K, Jin C H, Guo G C 2007 Phys. Rev. A 76 044304
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