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Nanosystems: Physics, Chemistry, Mathematics, 2019, Volume 10, Issue 4, Pages 398–401
DOI: https://doi.org/10.17586/2220-8054-2019-10-4-398-401 (Mi nano451) 		 
This article is cited in 1 scientific paper (total in 1 paper)

PHYSICS

Analysis of the unambiguous state discrimination with unequal a priori probabilities

A. A. Gaidash, S. S. Medvedeva, G. P. Miroshnichenko

ITMO University, Kronverkskiy, 49, St. Petersburg, 197101, Russia
Full-text PDF (118 kB) Citations (1)
DOI: https://doi.org/10.17586/2220-8054-2019-10-4-398-401
Abstract: In this paper, we study unambiguous state discrimination regarding advanced attack on phase-coded quantum key distribution protocol. We propose the method of optimal unambiguous state discrimination probability derivation as a function of a priori probabilities for signal states. The expression obtained as an example in case of two signal states explicitly demonstrates the additional term dependent on small deviations from equal a priori probabilities that may take place in real quantum key distribution implementations. Precise estimation of optimal unambiguous state discrimination probability is significant for complete evaluation of quantum key distribution security.
Keywords: quantum key distribution, unambiguous state discrimination.
Funding agency Grant number
Ministry of Education and Science of the Russian Federation 03.G25.31.0229
This work was financially supported by the Ministry of Education and Science of Russian Federation (contract No. 03.G25.31.0229).
Received: 13.05.2019
Revised: 28.05.2019
Bibliographic databases:
Document Type: Article
PACS: 42.50.Dv
Language: English
Citation: A. A. Gaidash, S. S. Medvedeva, G. P. Miroshnichenko, “Analysis of the unambiguous state discrimination with unequal a priori probabilities”, Nanosystems: Physics, Chemistry, Mathematics, 10:4 (2019), 398–401
Citation in format AMSBIB
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\by A.~A.~Gaidash, S.~S.~Medvedeva, G.~P.~Miroshnichenko
\paper Analysis of the unambiguous state discrimination with unequal a priori probabilities
\jour Nanosystems: Physics, Chemistry, Mathematics
\yr 2019
\vol 10
\issue 4
\pages 398--401
\mathnet{http://mi.mathnet.ru/nano451}
\crossref{https://doi.org/10.17586/2220-8054-2019-10-4-398-401}
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\elib{https://elibrary.ru/item.asp?id=39276357}
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    • This publication is cited in the following 1 articles:
    Citing articles in Google Scholar: Russian citations, English citations
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