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Kvantovaya Elektronika, 2018, Volume 48, Number 9, Pages 843–848 (Mi qe16895)  

Quantum cryptography

Role of intensity fluctuations in quantum cryptography with coherent states

D. A. Kronberga, Yu. V. Kurochkinb

a Steklov Mathematical Institute of Russian Academy of Sciences, Moscow
b International Center for Quantum Optics and Quantum Technologies (the Russian Quantum Center), Moscow, Skolkovo

Abstract: A new type of attack in quantum cryptography with coherent states is considered. This attack calls for only a possibility of changing (within some limits) the intensity of the states reaching a receiver. The critical quantum bit error rate (QBER) of the B92 protocol with a strong reference state is calculated for different limitations on intensity.

Keywords: quantum cryptography, quantum information, coherent states.

Funding Agency Grant Number
Russian Science Foundation 17-11-01388


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English version:
Quantum Electronics, 2018, 48:9, 843–848

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Document Type: Article
Received: 24.05.2018
Revised: 03.07.2018

Citation: D. A. Kronberg, Yu. V. Kurochkin, “Role of intensity fluctuations in quantum cryptography with coherent states”, Kvantovaya Elektronika, 48:9 (2018), 843–848 [Quantum Electron., 48:9 (2018), 843–848]

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  • http://mi.mathnet.ru/eng/qe16895
  • http://mi.mathnet.ru/eng/qe/v48/i9/p843

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