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Afterpulse Analysis for Quantum Key Distribution
Fan-Yuan, Guan-Jie1,2,3; Wang, Chao1,2,3; Wang, Shuang1,2,3; Yin, Zhen-Qiang1,2,3; Liu, He4,5; Chen, Wei1,2,3; He, De-Yong1,2,3; Han, Zheng-Fu1,2,3; Guo, Guang-Can1,2,3
2018-12-13
Source PublicationPHYSICAL REVIEW APPLIED
ISSN2331-7019
Volume10Issue:6Pages:7
AbstractThe afterpulse effect is an intrinsic characteristic of the single-photon avalanche photodiode that has been widely used in quantum key distribution (QKD). As QKD systems move into the gigahertz regime, the afterpulse effect is no longer ignorable, which will lead to a great deviation compared with the existing analytical model. Here we develop an analytical model to make QKD systems more afterpulse compatible. In addition, we obtain the secure key rate for our model with the analysis of statistical fluctuation using Hoeffding's inequality and Azuma's inequality. Our results show that the optimized parameters of the afterpulse-compatible model can provide a much higher key rate than the optimized parameters of the previous afterpulse-omitted model in the same situation.
DOI10.1103/PhysRevApplied.10.064032
Language英语
Funding ProjectNational Key Research And Development Program of China[2018YFA0306400] ; National Natural Science Foundation of China[61622506] ; National Natural Science Foundation of China[61575183] ; National Natural Science Foundation of China[61627820] ; National Natural Science Foundation of China[61475148] ; National Natural Science Foundation of China[61675189] ; Strategic Priority Research Program (B) of the Chinese Academy of Sciences[XDB01030100] ; Strategic Priority Research Program (B) of the Chinese Academy of Sciences[XDB01030300] ; Anhui Initiative in Quantum Information Technologies
WOS Research AreaPhysics
WOS SubjectPhysics, Applied
WOS IDWOS:000452966700002
PublisherAMER PHYSICAL SOC
Citation statistics
Cited Times:2[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.amss.ac.cn/handle/2S8OKBNM/32038
Collection中国科学院数学与系统科学研究院
Affiliation1.Univ Sci & Technol China, CAS Key Lab Quantum Informat, Hefei 230026, Anhui, Peoples R China
2.Univ Sci & Technol China, CAS Ctr Excellence Quantum Informat & Quantum Phy, Hefei 230026, Anhui, Peoples R China
3.State Key Lab Cryptol, POB 5159, Beijing 100878, Peoples R China
4.Chinese Acad Sci, Acad Math & Syst Sci, Beijing 100190, Peoples R China
5.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
Recommended Citation
GB/T 7714
Fan-Yuan, Guan-Jie,Wang, Chao,Wang, Shuang,et al. Afterpulse Analysis for Quantum Key Distribution[J]. PHYSICAL REVIEW APPLIED,2018,10(6):7.
APA Fan-Yuan, Guan-Jie.,Wang, Chao.,Wang, Shuang.,Yin, Zhen-Qiang.,Liu, He.,...&Guo, Guang-Can.(2018).Afterpulse Analysis for Quantum Key Distribution.PHYSICAL REVIEW APPLIED,10(6),7.
MLA Fan-Yuan, Guan-Jie,et al."Afterpulse Analysis for Quantum Key Distribution".PHYSICAL REVIEW APPLIED 10.6(2018):7.
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