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Polarization-based plug-and-play measurement-device-independent quantum key distribution
Hu, Min1; Zhang, Litao1; Guo, Banghong1,2,3,4; Li, Jun5
Department瞬态光学技术国家重点实验室
2019-01
Source PublicationOPTICAL AND QUANTUM ELECTRONICS
ISSN0306-8919;1572-817X
Volume51Issue:1
Contribution Rank3
Abstract

Measurement-device-independent quantum key distribution (MDI-QKD) has received much attention, with the goal of overcoming all of the security loopholes caused by an imperfect detection system. We here propose a plug-and-play MDI-QKD (P&P MDI-QKD) scheme whereby an untrusted relay node, Charlie, owns a laser and sends photons to Alice and Bob. Alice (Bob) modulates the polarization of the incident photons and returns them to Charlie. Charlie uses a modified Bell state analyzer (BSA) to perform Bell state measurements (BSM). In comparison with the original version of MDI-QKD, our scheme exploits a single untrusted laser as the photon source. This makes the signal photons identical and enhances the Hong-Ou-Mandel effect. Second, because of the P&P structure, the setup can automatically eliminate the birefringence influence of the fibers, which makes the setup highly stable. Finally, our modified BSA can identify vertical bar phi >+ and vertical bar phi >- of four Bell states with polarization encoding but not vertical bar psi >+ and vertical bar psi >-. Based on practical experimental parameters, a simulation showed that the maximum theoretical secure transmission distance could reach more 280 km.

KeywordQuantum cryptography Quantum key distribution Measurement-device-independent Plug-and-play
DOI10.1007/s11082-018-1736-1
Indexed BySCI
Language英语
WOS IDWOS:000454892700003
PublisherSPRINGER
Citation statistics
Document Type期刊论文
Identifierhttp://ir.opt.ac.cn/handle/181661/31178
Collection瞬态光学技术国家重点实验室
Corresponding AuthorGuo, Banghong
Affiliation1.South China Normal Univ, Sch Informat & Optoelect Sci & Engn, Lab Nanophoton Funct Mat & Devices, Guangzhou 510006, Guangdong, Peoples R China
2.Shenzhen Univ, Coll Comp Sci & Software Engn, Shenzhen 518060, Peoples R China
3.Chinese Acad Sci, State Key Lab Transient Opt & Photon, Xian 710119, Shaanxi, Peoples R China
4.Univ Sci & Technol China, Chinese Acad Sci, Key Lab Quantum Informat, Hefei 230026, Anhui, Peoples R China
5.South China Normal Univ, South China Acad Adv Optoelect, Guangzhou 510006, Guangdong, Peoples R China
Recommended Citation
GB/T 7714
Hu, Min,Zhang, Litao,Guo, Banghong,et al. Polarization-based plug-and-play measurement-device-independent quantum key distribution[J]. OPTICAL AND QUANTUM ELECTRONICS,2019,51(1).
APA Hu, Min,Zhang, Litao,Guo, Banghong,&Li, Jun.(2019).Polarization-based plug-and-play measurement-device-independent quantum key distribution.OPTICAL AND QUANTUM ELECTRONICS,51(1).
MLA Hu, Min,et al."Polarization-based plug-and-play measurement-device-independent quantum key distribution".OPTICAL AND QUANTUM ELECTRONICS 51.1(2019).
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