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Kvantovaya Elektronika, 2017, Volume 47, Number 9, Pages 798–802 (Mi qe16681)  

Quantum Technologies

Demonstration of a quantum key distribution network in urban fibre-optic communication lines

E. O. Kiktenkoabc, N. O. Pozharac, A. V. Duplinskiyad, A. A. Kanapinae, A. S. Sokolova, S. S. Vorobeya, A. V. Millera, V. E. Ustimchika, M. N. Anufrievac, A. S. Trushechkinb, R. R. Yunusova, V. L. Kurochkina, Yu. V. Kurochkina, A. K. Fedorova

a Russian Quantum Center, Moscow, Skolkovo
b Steklov Mathematical Institute of Russian Academy of Sciences, Moscow
c Bauman Moscow State Technical University
d Moscow Institute of Physics and Technology (State University), Dolgoprudny, Moscow region
e Lomonosov Moscow State University

Abstract: We report the results of the implementation of a quantum key distribution (QKD) network using standard fibre communication lines in Moscow. The developed QKD network is based on the paradigm of trusted repeaters and allows a common secret key to be generated between users via an intermediate trusted node. The main feature of the network is the integration of the setups using two types of encoding, i.e. polarisation encoding and phase encoding. One of the possible applications of the developed QKD network is the continuous key renewal in existing symmetric encryption devices with a key refresh time of up to 14 s.

Keywords: quantum distribution of communication keys, fibre communication channels, polarisation and phase encoding.

Funding Agency Grant Number
Russian Science Foundation 17-71-20146


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English version:
Quantum Electronics, 2017, 47:9, 798–802

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Document Type: Article
Received: 07.07.2017
Revised: 10.08.2017

Citation: E. O. Kiktenko, N. O. Pozhar, A. V. Duplinskiy, A. A. Kanapin, A. S. Sokolov, S. S. Vorobey, A. V. Miller, V. E. Ustimchik, M. N. Anufriev, A. S. Trushechkin, R. R. Yunusov, V. L. Kurochkin, Yu. V. Kurochkin, A. K. Fedorov, “Demonstration of a quantum key distribution network in urban fibre-optic communication lines”, Kvantovaya Elektronika, 47:9 (2017), 798–802 [Quantum Electron., 47:9 (2017), 798–802]

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  • Квантовая электроника Quantum Electronics
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