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On geometrically uniform states in quantum cryptography

Abstract

A family of quantum key distribution protocols based on geometrically uniform states of laser radiation has been proposed. Their cryptographic strength against a unitary attack, a coherent-state-splitting attack, and an unambiguous measurement attack has been analyzed. A certain protocol can be chosen automatically depending on the parameters of a system and the required length of a communication channel.

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Correspondence to S. N. Molotkov.

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Original Russian Text © S.N. Molotkov, 2012, published in Pis’ma v Zhurnal Eksperimental’noi i Teoreticheskoi Fiziki, 2012, Vol. 95, No. 6, pp. 361–366.

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Molotkov, S.N. On geometrically uniform states in quantum cryptography. Jetp Lett. 95, 332–337 (2012). https://doi.org/10.1134/S0021364012060070

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Keywords

  • Coherent State
  • JETP Letter
  • Quantum Cryptography
  • Receiver Side
  • European Telecommunication Standard Institute