Pulsed phase modulation with harmonic electric control signal for quantum key distribution implementations
Abstract
In this work, we investigate an alternative approach to phase modulation for information encoding and decoding in quantum key distribution systems. Specifically, we propose pulsed phase modulation, i.e. it has an envelope in addition to previously considered only harmonic temporal behavior of modulation index (depth), as a replacement for the conventional use of both intensity and phase modulators, which enables a more compact and cost-effective optical design. We further analyze how the principal parameters of this scheme affect the interference observed at the receiver and, consequently, their contribution to the quantum bit error rate in a subcarrier-wave quantum key distribution implementation.
About the Authors
Andrei Alekseevich GaidashRussian Federation
George Petrovich Miroshnichenko
Russian Federation
Anton Vladimirovich Kozubov
Russian Federation
References
1. Pirandola, S., Andersen, U. L., Banchi, et. al. Advances in quantum cryptography. Advances in optics and photonics, 2020, 12(4), 1012-1236.
2. Gaidash A., Miroshnichenko G., and Kozubov A. Subcarrier wave quantum key distribution with leaky and flawed devices. Journal of the Optical Society of America B, 2022, 39 (2), P. 577–585.
3. Miroshnichenko G., Kozubov A., Gaidash A., Gleim A.V., and Horoshko D.V. Security of subcarrier wave quantum key distribution against the
4. collective beam-splitting attack. Optics express, 2018, 26 (9), P. 11292–11308.
5. Sajeed Sh., Chaiwongkhot P., Huang A., Qin H., Egorov V., Kozubov A., Gaidash A., Chistiakov V., Vasiliev V., Gleim A., et al. An approach for
6. security evaluation and certification of a complete quantum communication system. Scientific Reports, 2021, 11 (1), P. 1–16.
7. Chistiakov V., Kozubov A., Gaidash A., Gleim A., and Miroshnichenko G. Feasibility of twin-field quantum key distribution based on multi-mode
8. coherent phase-coded states. Optics express, 2019, 27 (25), P. 36551–36561.
9. Samsonov E., Goncharov R., Gaidash A., Kozubov A., Egorov V., and Gleim A. Subcarrier wave continuous variable quantum key distribution
10. with discrete modulation: mathematical model and finite-key analysis. Scientific Reports, 2020, 10 (1), P. 1–9.
11. Miroshnichenko G., Kiselev A., Trifanov A., Gleim A. Algebraic approach to electro-optic modulation of light: exactly solvable multimode quantum model. Journal of the optical society of America B, 2017, 34 (6), P. 1177-1190.
Review
For citations:
Gaidash A.A., Miroshnichenko G.P., Kozubov A.V. Pulsed phase modulation with harmonic electric control signal for quantum key distribution implementations. Nanosystems: Physics, Chemistry, Mathematics. 2026;17(1).
JATS XML
Email this article 