Investigation of the Statistics of Single-Photon Counting by Two Photodetectors for Applications in Quantum Cryptography
https://doi.org/10.25205/2541-9447-2018-13-4-91-104
Abstract
A method for revealing a photon-number-splitting attack in quantum-cryptographic communication systems by measuring the photon-number distribution in a laser pulse is proposed. Instead of using a complex photon-numberresolving detector, we propose to use two conventional single-photon detectors based on avalanche photodiodes. The results of experiments on measuring the photon numbers in a laser pulse and their comparison with theoretical calculations are presented. The limits of the applicability of the proposed method are discussed.
About the Authors
D. B. Tretyakov
A. V. Rzhanov Institute of Semiconductor Physics SB RAS; Novosibirsk State University
Russian Federation
Russian Federation
A. V. Kolyako
A. V. Rzhanov Institute of Semiconductor Physics SB RAS; Novosibirsk State University; Institute of Laser Physics SB RAS
Russian Federation
Russian Federation
A. S. Pleshkov
A. V. Rzhanov Institute of Semiconductor Physics SB RAS; Novosibirsk State University; Institute of Laser Physics SB RAS
Russian Federation
Russian Federation
V. M. Entin
A. V. Rzhanov Institute of Semiconductor Physics SB RAS; Novosibirsk State University
Russian Federation
Russian Federation
I. I. Ryabtsev
A. V. Rzhanov Institute of Semiconductor Physics SB RAS; Novosibirsk State University
Russian Federation
Russian Federation
I. G. Neizvestny
A. V. Rzhanov Institute of Semiconductor Physics SB RAS; Novosibirsk State Technical University
Russian Federation
Russian Federation
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Review
For citations:
Tretyakov D.B., Kolyako A.V., Pleshkov A.S., Entin V.M., Ryabtsev I.I., Neizvestny I.G. Investigation of the Statistics of Single-Photon Counting by Two Photodetectors for Applications in Quantum Cryptography. SIBERIAN JOURNAL OF PHYSICS. 2018;13(4):91-104. (In Russ.) https://doi.org/10.25205/2541-9447-2018-13-4-91-104
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