Fair Efficiency Comparisons of Decoy-State Quantum Key Distribution Protocols

查看全文 作　　者：LI [1,2]Hongxin;GAO [2]Ming;YAN [1]Xueping;YAN [1]Bao;HAN [1]Yu;SHAN [3]Ling;MA [2]Zhi

机构地区：[1]Information Engineering University, Luoyang 471003, China;[2]State Key Laboratory of Mathematical Engineering and Advanced Computing, Zhengzhou 450001, China;[3]College of Animal Science and Technology, Henan University of Science and Technology, Luoyang 471003, China

出　　处：《Chinese Journal of Electronics》索引2018年第27卷第2期,共9页

基　　金：supported by the National High Technology Research and Development Program of China (No.2011AA010803);the National Natural Science Foundation of China (No.61472446, No.U1204602);the Open Project Program of the State Key Laboratory of Mathematical Engineering and Advanced Computing (No.2013A14) 摘　　要：Taking the schemes based on different formulas of secure key rate as examples, we give a fair comparison between typical protocols under Universal composable(UC) security frame. Through analyzing the relationship of security parameters in post-processing stage and final secure key rate, we achieve the unified quantification between protocols based on Gottesman-Lo-L¨utkenhausPreskill(GLLP) formula and the ones under UC security.Based on the above research, the impact of different sending lengths and secure parameters on secure key rate is investigated. Besides, we analyze the conditions of fair comparison, and for the first time we give a fair comparison between the protocols based on GLLP formula and smooth entropy. By typical efficiency comparisons, we summarize the way for improving secure key rate in the light intensity choice and the single bit error rate estimation method. 关键词：效率比协议状态量安全框架分发安全钥匙参数评估公平比

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Fair Efficiency Comparisons of Decoy-State Quantum Key Distribution Protocols

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