Efficient-phase-encoding protocols for continuous-variable quantum key distribution using coherent states and postselection

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dc.creatorNamiki, Ryo
dc.creatorHirano, Takuya
dc.date2006-08-18
dc.date.accessioned2026-07-07T10:05:53Z
dc.date.available2026-07-07T10:05:53Z
dc.descriptionWe propose efficient-phase-encoding protocols for continuous-variable quantum key distribution using coherent states and postselection. By these phase encodings, the probability of basis mismatch is reduced and total efficiency is increased. We also propose mixed-state protocols by omitting a part of classical communication steps in the efficient-phase-encoding protocols. The omission implies a reduction of information to an eavesdropper and possibly enhances the security of the protocols. We investigate the security of the protocols against individual beam splitting attack.
dc.descriptionRevTeX4, 8 pages, 9 figures
dc.identifierhttps://arxiv.org/abs/quant-ph/0608144
dc.identifierhttp://arxiv.org/abs/quant-ph/0608144
dc.identifierPhys. Rev. A 74, 032302 (2006)
dc.identifierdoi:10.1103/PhysRevA.74.032302
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/170143
dc.subjectQuantum Physics
dc.titleEfficient-phase-encoding protocols for continuous-variable quantum key distribution using coherent states and postselection
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