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|Title:||Registration of the quantum state of a single photon to create a satellite quantum network|
|Authors:||Kurochkin, V. L.|
Khmelev, A. V.
Petrov, I. V.
Miller, A. V.
Feimov, A. A.
Mayboroda, V. F.
Balanov, M. Y.
Krushinsky, V. V.
Popov, A. A.
Kurochkin, Y. V.
|Publisher:||IOP Publishing Ltd|
|Citation:||Registration of the quantum state of a single photon to create a satellite quantum network / V. L. Kurochkin, A. V. Khmelev, I. V. Petrov, et al. — DOI 10.1088/1742-6596/1680/1/012031 // Journal of Physics: Conference Series. — 2020. — Vol. 1680. — Iss. 1. — 012031.|
|Abstract:||Artificial satellites employed as trusted nodes can increase the distance between two parties to establish quantum key distribution (QKD), unlike fiber based communication lines that are limited up to a few hundred kilometers. This report summarises our progress on a ground receiver for satellite QKD and its tracking receiving system (TRS). The authors demonstrate the operation of the TRS in practice and achieve standard tracking error of 1.4/Ltrad observing four satellites over 80% of the time they were available. The optical signal, which was the sunlight reflected of low Earth orbit satellites, was attenuated to a single photon level and was detected effectively using avalanche single photon detectors. The authors have thus proved that the developed system is capable of stable reception of quantum signal from a satellite. © Published under licence by IOP Publishing Ltd.|
LOW EARTH ORBIT SATELLITES
|metadata.dc.description.sponsorship:||This work is supported by Russian Science Foundation (grant No. 17-71-20146).|
|RSCF project card:||17-71-20146|
|Appears in Collections:||Научные публикации, проиндексированные в SCOPUS и WoS CC|
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