High Efficient Secret Key Distillation for Long Distance Continuous Variable Quantum Key Distribution

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dc.creatorZhao, Yi-bo
dc.creatorHan, Zheng-fu
dc.creatorChen, Jin-jian
dc.creatorGui, You-zhen
dc.creatorGuo, Guang-can
dc.date2006-03-08
dc.date2006-09-18
dc.date.accessioned2026-07-07T07:07:58Z
dc.date.available2026-07-07T07:07:58Z
dc.descriptionThe continuous variable quantum key distribution is expected to provide high secret key rate without single photon source and detector, but the lack of the secure and effective key distillation method makes it unpractical. Here, we present a secure single-bit-reverse-reconciliation protocol combined with secret information concentration and post-selection, which can distill the secret key with high efficiency and low computational complexity. The simulation results show that this protocol can provide high secret key rate even when the transmission fiber is longer than 150km, which may make the continuous variable scheme to outvie the single photon one.
dc.description4 pages 2 figures. Language revised, title revised, numerical simulation optimized
dc.identifierhttps://arxiv.org/abs/quant-ph/0603068
dc.identifierhttp://arxiv.org/abs/quant-ph/0603068
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/110590
dc.subjectQuantum Physics
dc.titleHigh Efficient Secret Key Distillation for Long Distance Continuous Variable Quantum Key Distribution
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