Heterodyne-based subcarrier wave quantum cryptography under the chromatic dispersion impact
https://doi.org/10.17586/2220-8054-2021-12-2-161-166
Abstract
In this paper, we investigate the effect of chromatic dispersion on a continuous variable quantum key distribution system with heterodyne detection, in which information is encoded in the sidebands of modulated laser radiation. We consider the system in which a balanced detector output is downconverted to an intermediate frequency and propose a non-standard methods of dispersion compensation using RF phase shifters.
About the Authors
R. K. Goncharov
St. Petersburg National Research ITMO University
Russian Federation
Russian Federation
Kronverkskiy, 49, St. Petersburg, 197101
A. V. Zinovev
St. Petersburg National Research ITMO University
Russian Federation
Russian Federation
Kronverkskiy, 49, St. Petersburg, 197101
F. D. Kiselev
St. Petersburg National Research ITMO University;
Quanttelecom LLC
Russian Federation
Russian Federation
Kronverkskiy, 49, St. Petersburg, 197101,
Vasilievsky island, 6 Line, 59, St. Petersburg, 199178
E. O. Samsonov
St. Petersburg National Research ITMO University;
Quanttelecom LLC
Russian Federation
Russian Federation
Kronverkskiy, 49, St. Petersburg, 197101,
Vasilievsky island, 6 Line, 59, St. Petersburg, 199178
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Review
For citations:
Goncharov R.K., Zinovev A.V., Kiselev F.D., Samsonov E.O. Heterodyne-based subcarrier wave quantum cryptography under the chromatic dispersion impact. Nanosystems: Physics, Chemistry, Mathematics. 2021;12(2):161-166. https://doi.org/10.17586/2220-8054-2021-12-2-161-166
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