Unconditionally secure quantum key distribution over 50km of standard telecom fibre

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dc.creatorGobby, C.
dc.creatorYuan, Z. L.
dc.creatorShields, A. J.
dc.date2004-12-22
dc.date.accessioned2026-07-07T06:11:50Z
dc.date.available2026-07-07T06:11:50Z
dc.descriptionWe demonstrate a weak pulse quantum key distribution system using the BB84 protocol which is secure against all individual attacks, including photon number splitting. By carefully controlling the weak pulse intensity we demonstrate the maximum secure bit rate as a function of the fibre length. Unconditionally secure keys can be formed for standard telecom fibres exceeding 50 km in length.
dc.description9 pages 2 figures
dc.identifierhttps://arxiv.org/abs/quant-ph/0412173
dc.identifierhttp://arxiv.org/abs/quant-ph/0412173
dc.identifierElectronics Letters 40, 1603-1605(2004)
dc.identifierdoi:10.1049/el:20045038
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/92605
dc.subjectQuantum Physics
dc.titleUnconditionally secure quantum key distribution over 50km of standard telecom fibre
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