Decoy-state reference-frame-independent quantum key distribution with the single-photon-added coherent source

被引：7
|
作者：
Zhu, Jian-Rong [1 ,2 ,3 ]
Wang, Cen-Yang [1 ,2 ,3 ]
Liu, Kang [1 ,2 ,3 ]
Zhang, Chun-Mei [1 ,2 ,3 ]
Wang, Qin [1 ,2 ,3 ]
机构：
[1] Nanjing Univ Posts & Telecommun, Inst Quantum Informat & Technol, Nanjing 210003, Jiangsu, Peoples R China
[2] NUPT, Broadband Wireless Commun & Sensor Network Techno, Key Lab, Minist Educ, Nanjing 210003, Jiangsu, Peoples R China
[3] NUPT, Natl Engn Res Ctr, Telecommun & Networks, Nanjing 210003, Jiangsu, Peoples R China
来源：
QUANTUM INFORMATION PROCESSING | 2018年 / 17卷 / 11期
基金：
中国国家自然科学基金;
关键词：
Reference-frame-independent quantum key distribution (RFI-QKD); Single-photon-added coherent source (SPACS); Decoy-state; SCHEME;
D O I：
10.1007/s11128-018-2063-y
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
Reference-frame-independent quantum key distribution (RFI-QKD) can generate secure keys even when the reference frames drift slowly. Here, we propose to realize RFI-QKD with the single-photon-added coherent source (SPACS). Simulation results show that compared with the weak coherent state and the heralded single-photon source, SPACS can remarkably improve the key generation rate and transmission distance of RFI-QKD. Moreover, our results show the significance of optimized parameters. When taking statistical fluctuations into consideration, RFI-QKD with SPACS can still achieve very good performance.
引用
收藏
页数：9
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