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Secure Quantum Key Distribution over 421 km of Optical Fiber

Boaron, Alberto ; Boso, Gianluca ; Rusca, Davide ; Vulliez, Cédric ; Autebert, Claire ; Caloz, Misael ; Perrenoud, Matthieu ; Gras, Gaëtan ; Bussières, Félix ; Li, Ming-Jun ; Nolan, Daniel ; Martin, Anthony ; Zbinden, Hugo

Physical review letters, 2018-11, Vol.121 (19), p.190502-190502, Article 190502 [Periódico revisado por pares]

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Título:
Secure Quantum Key Distribution over 421 km of Optical Fiber
Autor: Boaron, Alberto ; Boso, Gianluca ; Rusca, Davide ; Vulliez, Cédric ; Autebert, Claire ; Caloz, Misael ; Perrenoud, Matthieu ; Gras, Gaëtan ; Bussières, Félix ; Li, Ming-Jun ; Nolan, Daniel ; Martin, Anthony ; Zbinden, Hugo
Assuntos: Optical fibers ; Quantum cryptography
É parte de: Physical review letters, 2018-11, Vol.121 (19), p.190502-190502, Article 190502
Notas: ObjectType-Article-1
SourceType-Scholarly Journals-1
ObjectType-Feature-2
content type line 23
Descrição: We present a quantum key distribution system with a 2.5 GHz repetition rate using a three-state time-bin protocol combined with a one-decoy approach. Taking advantage of superconducting single-photon detectors optimized for quantum key distribution and ultralow-loss fiber, we can distribute secret keys at a maximum distance of 421 km and obtain secret key rates of 6.5 bps over 405 km.
Editor: United States: American Physical Society
Idioma: Inglês

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