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Experimental Demonstration of Fully Passive Quantum Key Distribution.
Lu, Feng-Yu; Wang, Ze-Hao; Zapatero, Víctor; Chen, Jia-Lin; Wang, Shuang; Yin, Zhen-Qiang; Curty, Marcos; He, De-Yong; Wang, Rong; Chen, Wei; Fan-Yuan, Guan-Jie; Guo, Guang-Can; Han, Zheng-Fu.
Afiliação
  • Lu FY; CAS Key Laboratory of Quantum Information, University of Science and Technology of China, Hefei, Anhui 230026, People's Republic of China.
  • Wang ZH; CAS Center for Excellence in Quantum Information and Quantum Physics, University of Science and Technology of China, Hefei, Anhui 230026, People's Republic of China.
  • Zapatero V; CAS Key Laboratory of Quantum Information, University of Science and Technology of China, Hefei, Anhui 230026, People's Republic of China.
  • Chen JL; CAS Center for Excellence in Quantum Information and Quantum Physics, University of Science and Technology of China, Hefei, Anhui 230026, People's Republic of China.
  • Wang S; Vigo Quantum Communication Center, University of Vigo, Vigo E-36310, Spain.
  • Yin ZQ; Escuela de Ingeniería de Telecomunicación, Department of Signal Theory and Communications, University of Vigo, Vigo E-36310, Spain.
  • Curty M; AtlanTTic Research Center, University of Vigo, Vigo E-36310, Spain.
  • He DY; CAS Key Laboratory of Quantum Information, University of Science and Technology of China, Hefei, Anhui 230026, People's Republic of China.
  • Wang R; CAS Center for Excellence in Quantum Information and Quantum Physics, University of Science and Technology of China, Hefei, Anhui 230026, People's Republic of China.
  • Chen W; CAS Key Laboratory of Quantum Information, University of Science and Technology of China, Hefei, Anhui 230026, People's Republic of China.
  • Fan-Yuan GJ; CAS Center for Excellence in Quantum Information and Quantum Physics, University of Science and Technology of China, Hefei, Anhui 230026, People's Republic of China.
  • Guo GC; Hefei National Laboratory, University of Science and Technology of China, Hefei 230088, People's Republic of China.
  • Han ZF; CAS Key Laboratory of Quantum Information, University of Science and Technology of China, Hefei, Anhui 230026, People's Republic of China.
Phys Rev Lett ; 131(11): 110802, 2023 Sep 15.
Article em En | MEDLINE | ID: mdl-37774301
The passive approach to quantum key distribution (QKD) consists of removing all active modulation from the users' devices, a highly desirable countermeasure to get rid of modulator side channels. Nevertheless, active modulation has not been completely removed in QKD systems so far, due to both theoretical and practical limitations. In this Letter, we present a fully passive time-bin encoding QKD system and report on the successful implementation of a modulator-free QKD link. According to the latest theoretical analysis, our prototype is capable of delivering competitive secret key rates in the finite key regime.
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Texto completo: 1 Base de dados: MEDLINE Idioma: En Revista: Phys Rev Lett Ano de publicação: 2023 Tipo de documento: Article
Texto completo
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Texto completo: 1 Base de dados: MEDLINE Idioma: En Revista: Phys Rev Lett Ano de publicação: 2023 Tipo de documento: Article