典型文献
Experimental measurement-device-independent type quantum key distribution with flawed and correlated sources
文献摘要：
The security of quantum key distribution(QKD)is severely threatened by discrepancies between realistic devices and theoretical assumptions.Recently,a significant framework called the reference technique was proposed to provide security against arbitrary source flaws under current technology such as state preparation flaws,side channels caused by mode dependencies,the Trojan horse attacks and pulse cor-relations.Here,we adopt the reference technique to prove security of an efficient four-phase measurement-device-independent QKD using laser pulses against potential source imperfections.We present a characterization of source flaws and connect them to experiments,together with a finite-key analysis against coherent attacks.In addition,we demonstrate the feasibility of our protocol through a proof-of-principle experimental implementation and achieve a secure key rate of 253 bps with a 20 dB channel loss.Compared with previous QKD protocols with imperfect devices,our study considerably improves both the secure key rate and the transmission distance,and shows application potential in the practical deployment of secure QKD with device imperfections.
文献关键词：
中图分类号：
作者姓名：
Jie Gu;Xiao-Yu Cao;Yao Fu;Zong-Wu He;Ze-Jie Yin;Hua-Lei Yin;Zeng-Bing Chen
作者机构：
National Laboratory of Solid State Microstructures and School of Physics,Collaborative Innovation Center of Advanced Microstructures,Nanjing University,Nanjing 210093,China;Beijing National Laboratory for Condensed Matter Physics and Institute of Physics,Chinese Academy of Sciences,Beijing 100190,China;MatricTime Digital Technology Co.Ltd.,Nanjing 211899,China;State Key Laboratory of Particle Detection and Electronics,University of Science and Technology of China,Hefei 230026,China
文献出处：
引用格式：
[1]Jie Gu;Xiao-Yu Cao;Yao Fu;Zong-Wu He;Ze-Jie Yin;Hua-Lei Yin;Zeng-Bing Chen-.Experimental measurement-device-independent type quantum key distribution with flawed and correlated sources)[J].科学通报（英文版）,2022(21):2167-2175
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AB值：
0.60288
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