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On a two-pass scheme without a faraday mirror for free-space relativistic quantum cryptography

  • Atoms, Molecules, Optics
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Abstract

The stability of destructive interference independent of the input polarization and the state of a quantum communication channel in fiber optic systems used in quantum cryptography plays a principal role in providing the security of communicated keys. A novel optical scheme is proposed that can be used both in relativistic quantum cryptography for communicating keys in open space and for communicating them over fiber optic lines. The scheme ensures stability of destructive interference and admits simple automatic balancing of a fiber interferometer.

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Authors and Affiliations

  1. Prokhorov General Physics Institute, Russian Academy of Sciences, Moscow, 119991, Russia

    K. S. Kravtsov & I. V. Radchenko

  2. Moscow State University, Moscow, 119899, Russia

    K. S. Kravtsov, I. V. Radchenko & S. P. Kulik

  3. Russian Federation, Academy of Cryptography, Moscow, 121552, Russia

    A. V. Korol’kov & S. N. Molotkov

  4. Solid State Physics Institute, Russian Academy of Sciences, Chernogolovka, Moscow oblast, 142432, Russia

    S. N. Molotkov

  5. Department of Computational Mathematics and Cybernetics, Moscow State University, Moscow, 119899, Russia

    S. N. Molotkov

Authors
  1. K. S. Kravtsov
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  2. I. V. Radchenko
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  3. A. V. Korol’kov
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  4. S. P. Kulik
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  5. S. N. Molotkov
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Corresponding authors

Correspondence to S. P. Kulik or S. N. Molotkov.

Additional information

Original Russian Text © K.S. Kravtsov, I.V. Radchenko, A.V. Korol’kov, S.P. Kulik, S.N. Molotkov, 2013, published in Zhurnal Eksperimental’noi i Teoreticheskoi Fiziki, 2013, Vol. 143, No. 5, pp. 820–830.

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Kravtsov, K.S., Radchenko, I.V., Korol’kov, A.V. et al. On a two-pass scheme without a faraday mirror for free-space relativistic quantum cryptography. J. Exp. Theor. Phys. 116, 711–720 (2013). https://doi.org/10.1134/S1063776113040146

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  • DOI: https://doi.org/10.1134/S1063776113040146

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