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Continuous variable (2, 3) threshold quantum secret sharing schemes

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dc.contributor.authorLance, Andrew
dc.contributor.authorSymul, Thomas
dc.contributor.authorBowen, Warwick P
dc.contributor.authorTyc, Tomas
dc.contributor.authorSanders, Barry Cyril
dc.contributor.authorLam, Ping Koy
dc.date.accessioned2009-05-05T22:19:25Zen_US
dc.date.accessioned2010-12-20T06:03:23Z
dc.date.available2009-05-05T22:19:25Zen_US
dc.date.available2010-12-20T06:03:23Z
dc.date.issued2003-01-17en_US
dc.date.updated2015-12-12T08:28:02Z
dc.description.abstractWe present two schemes to perform continuous variable (2, 3) threshold quantum secret sharing (QSS) on the quadrature amplitudes of bright light beams. Both schemes require a pair of entangled light beams. The first scheme utilizes two phase sensitive optical amplifiers, whilst the second uses an electro-optic feedforward loop for the reconstruction of the secret. We examine the efficacy of QSS in terms of fidelity, as well as the signal transfer coefficients and the conditional variances of the reconstructed output state. We show that both schemes in the ideal case yield perfect secret reconstruction.
dc.format13 pages
dc.identifier.citationNew Journal of Physics 5 (2003): 4.1-4.13
dc.identifier.issn1367-2630en_US
dc.identifier.urihttp://hdl.handle.net/10440/211en_US
dc.identifier.urihttp://digitalcollections.anu.edu.au/handle/10440/211
dc.publisherInstitute of Physics Publishing
dc.rightshttp://www.iop.org/EJ/journal/-page=extra.copyright/NJP "NJP’s copyright statement allows authors and their institutions to reproduce, distribute and communicate the published version of their article to the public. Under this agreement NJP authors may: post the published version of their article on their own personal website, on their employer’s website/repository and on free public servers in their subject area." and "Third parties have the same rights to reuse articles in NJP as described in the Creative Commons Attribution-Non-Commercial-ShareAlike 2.5 license. These open access rights allow third-party users to copy, distribute and display the published version of articles in NJP, and create derivative works, subject to appropriate attribution and non-commercial exploitation." - from journal web site (as at 19/02/10)
dc.sourceNew Journal of Physics
dc.source.urihttp://www.iop.org/EJ/article/1367-2630/5/1/304/NJ3104.pdf?request-id=71722fef-de81-461c-a561-d75eea2a3621en_US
dc.source.urihttp://www.iop.org/EJ/article/1367-2630/5/1/304/nj3104.htmlen_US
dc.titleContinuous variable (2, 3) threshold quantum secret sharing schemes
dc.typeJournal article
local.bibliographicCitation.issue4 (January 2003)
local.bibliographicCitation.lastpage1.12
local.bibliographicCitation.startpage1.1
local.contributor.affiliationLance, Andrew, ANU College of Physical Sciences, Department of Physicsen_US
local.contributor.affiliationSymul, Thomas, ANU College of Physical Sciences, Department of Physicsen_US
local.contributor.affiliationBowen, Warwick P, ANU College of Physical Sciences, Department of Physicsen_US
local.contributor.affiliationTyc, Tomas, Masaryk University, Czech Republicen_US
local.contributor.affiliationSanders, Barry Cyril, University of Calgaryen_US
local.contributor.affiliationLam, Ping Koy, ANU College of Physical Sciences, Department of Physicsen_US
local.contributor.authoruidu3935691en_US
local.contributor.authoruidu4047027en_US
local.contributor.authoruidu9815844en_US
local.contributor.authoruidE19094en_US
local.contributor.authoruidE17093en_US
local.contributor.authoruidu9305867en_US
local.description.refereedYes
local.identifier.absfor020604en_US
local.identifier.ariespublicationMigratedxPub17010en_US
local.identifier.citationvolume5
local.identifier.scopusID2-s2.0-3042819012
local.type.statusPublished Versionen_US

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