About: Squeezed-state quantum key distribution upon imperfect reconciliation

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An Entity of Type : http://linked.opendata.cz/ontology/domain/vavai/Vysledek, within Data Space : linked.opendata.cz associated with source document(s)

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	We address the security of continuous-variable quantum key distribution with squeezed states upon the realistic conditions of noisy and lossy environment and limited reconciliation efficiency. Considering the generalized preparation scheme and clearly distinguishing between classical and quantum resources, we investigate the effect of finite squeezing on the tolerance of the protocol to untrusted channel noise. For a long-distance strongly attenuating channel and the consequent low reconciliation efficiency, we show that feasible limited squeezing is surprisingly sufficient to provide the security of Gaussian quantum key distribution in the presence of untrusted noise. We explain the effect by the behaviour of the Holevo quantity, which describes the information leakage and is effectively minimized by the squeezed states. We address the security of continuous-variable quantum key distribution with squeezed states upon the realistic conditions of noisy and lossy environment and limited reconciliation efficiency. Considering the generalized preparation scheme and clearly distinguishing between classical and quantum resources, we investigate the effect of finite squeezing on the tolerance of the protocol to untrusted channel noise. For a long-distance strongly attenuating channel and the consequent low reconciliation efficiency, we show that feasible limited squeezing is surprisingly sufficient to provide the security of Gaussian quantum key distribution in the presence of untrusted noise. We explain the effect by the behaviour of the Holevo quantity, which describes the information leakage and is effectively minimized by the squeezed states. (en)
Title	Squeezed-state quantum key distribution upon imperfect reconciliation Squeezed-state quantum key distribution upon imperfect reconciliation (en)
skos:prefLabel	Squeezed-state quantum key distribution upon imperfect reconciliation Squeezed-state quantum key distribution upon imperfect reconciliation (en)
skos:notation	RIV/61989592:15310/11:33115984!RIV12-MSM-15310___
http://linked.open...avai/riv/aktivita	P Z
http://linked.open...avai/riv/aktivity	P(GC202/07/J040), P(GPP205/10/P321), P(LC06007), P(ME10156), Z(MSM6198959213)
http://linked.open...iv/cisloPeriodika	11
http://linked.open...vai/riv/dodaniDat	2012
http://linked.open...aciTvurceVysledku	Usenko, Vladyslav Filip, Radim
http://linked.open.../riv/druhVysledku	J - Článek v odborném periodiku
http://linked.open...iv/duvernostUdaju	S - Úplné a pravdivé údaje nepodléhající ochraně podle zvláštních právních předpisů
http://linked.open...titaPredkladatele	Univerzita Palackého v Olomouci / Přírodovědecká fakulta
http://linked.open...dnocenehoVysledku	231703
http://linked.open...ai/riv/idVysledku	RIV/61989592:15310/11:33115984
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	CRYPTOGRAPHY (en)
http://linked.open.../riv/klicoveSlovo	CRYPTOGRAPHY
http://linked.open...odStatuVydavatele	GB - Spojené království Velké Británie a Severního Irska
http://linked.open...ontrolniKodProRIV	[2CC5872B4A16]
http://linked.open...i/riv/nazevZdroje	New Journal of Physics
http://linked.open...in/vavai/riv/obor	BH
http://linked.open...ichTvurcuVysledku	2 (xsd:int)
http://linked.open...cetTvurcuVysledku	2 (xsd:int)
http://linked.open...vavai/riv/projekt	Quantum communication with continuous variables through noisy channels Continuous variable quantum key broadcasting Centre of Modern Optics Measurement-induced quantum information processing with continuous variables
http://linked.open...UplatneniVysledku	2011
http://linked.open...v/svazekPeriodika	13
http://linked.open...iv/tvurceVysledku	Filip, Radim Usenko, Vladyslav
http://linked.open...ain/vavai/riv/wos	000297573800007
http://linked.open...n/vavai/riv/zamer	Measurement and Information in Optics
issn	1367-2630
number of pages	14 (xsd:int)
http://bibframe.org/vocab/doi	10.1088/1367-2630/13/11/113007
http://localhost/t...ganizacniJednotka	15310

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