Passive Decoy-State Reference-Frame-Independent Quantum Key Distribution with Heralded Single-Photon Source

被引：0
|
作者：
李家骥 [1 ,2 ]
汪洋 [1 ,2 ]
李宏伟 [1 ,2 ]
彭朋 [1 ,2 ]
周淳 [1 ,2 ]
江木生 [1 ,2 ]
马鸿鑫 [1 ,2 ]
冯林溪 [1 ,2 ]
鲍皖苏 [1 ,2 ]
机构：
[1] Henan Key Laboratory of Quantum Information and Cryptography, Zhengzhou Information Science and Technology Institute
[2] Synergetic Innovation Center of Quantum Information and Quantum Physics,University of Science and Technology of
来源：
Chinese Physics Letters | 2017年 / 34卷 / 12期
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摘要：
Reference-frame-independent(RFI)quantum key distribution(QKD)is a protocol which can share unconditional secret keys between two remote users without the alignment of slowly varying reference frames.We propose a passive decoy-state RFI-QKD protocol with heralded single-photon source(HSPS)and present its security analysis.Compared with RFI QKD using a weak coherent pulse source(WCPS),numerical simulations show that the passive decoy-state RFI QKD with HSPS performs better not only in secret key rate but also in secure transmission distance.Moreover,our protocol is robust against the relative motion of the reference frames as well as RFI QKD with the WCPS.In addition,we also exploit Hoeffding’s inequality to investigate the finite-key effect on the security of the protocol.
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页码：5 / 9
页数：5
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