On the correction of errors in quantum cryptography systems


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Abstract

Key generation in a two-pass quantum cryptography system involving protocols on geometrically uniform coherent states is studied. Results on the correction of errors in this system without opening a part of the raw key to estimate the probability of errors but involving the monitoring of the parameters of the system and the quantum communication channel sufficient for an a priori estimate of the probability of errors, which is used to choose a correcting code, are reported.

About the authors

K. A. Balygin

Faculty of Physics

Email: sergei.molotkov@gmail.com
Russian Federation, Moscow, 119991

A. N. Klimov

Faculty of Physics; Prokhorov General Physics Institute

Email: sergei.molotkov@gmail.com
Russian Federation, Moscow, 119991; Moscow, 119991

S. P. Kulik

Faculty of Physics

Email: sergei.molotkov@gmail.com
Russian Federation, Moscow, 119991

S. N. Molotkov

Institute of Solid State Physics; Academy of Cryptography of the Russian Federation; Faculty of Computational Mathematics and Cybernetics

Author for correspondence.
Email: sergei.molotkov@gmail.com
Russian Federation, Moscow region, 142432; Moscow, 121552; Moscow, 119991

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