Loss Control-Based Key Distribution Under Quantum Protection

Nikita Kirsanov; Valeria Pastushenko; Aleksei Kodukhov; Aziz Aliev; Michael Yarovikov; Daniel Strizhak; Ilya Zarubin; Alexander Smirnov; Markus Pflitsch; Valerii Vinokur

doi:10.20944/preprints202403.0566.v1

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preprints.org > physical sciences > quantum science and technology > doi: 10.20944/preprints202403.0566.v1

Preprint Article Version 1 Preserved in Portico This version is not peer-reviewed

Loss Control-Based Key Distribution Under Quantum Protection

Version 1 : Received: 8 March 2024 / Approved: 9 March 2024 / Online: 11 March 2024 (04:32:36 CET)

How to cite: Kirsanov, N.; Pastushenko, V.; Kodukhov, A.; Aliev, A.; Yarovikov, M.; Strizhak, D.; Zarubin, I.; Smirnov, A.; Pflitsch, M.; Vinokur, V. Loss Control-Based Key Distribution Under Quantum Protection. Preprints 2024, 2024030566. https://doi.org/10.20944/preprints202403.0566.v1 Kirsanov, N.; Pastushenko, V.; Kodukhov, A.; Aliev, A.; Yarovikov, M.; Strizhak, D.; Zarubin, I.; Smirnov, A.; Pflitsch, M.; Vinokur, V. Loss Control-Based Key Distribution Under Quantum Protection. Preprints 2024, 2024030566. https://doi.org/10.20944/preprints202403.0566.v1

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MDPI and ACS Style

Kirsanov, N.; Pastushenko, V.; Kodukhov, A.; Aliev, A.; Yarovikov, M.; Strizhak, D.; Zarubin, I.; Smirnov, A.; Pflitsch, M.; Vinokur, V. Loss Control-Based Key Distribution Under Quantum Protection. Preprints 2024, 2024030566. https://doi.org/10.20944/preprints202403.0566.v1

APA Style

Kirsanov, N., Pastushenko, V., Kodukhov, A., Aliev, A., Yarovikov, M., Strizhak, D., Zarubin, I., Smirnov, A., Pflitsch, M., & Vinokur, V. (2024). Loss Control-Based Key Distribution Under Quantum Protection. Preprints. https://doi.org/10.20944/preprints202403.0566.v1

Chicago/Turabian Style

Kirsanov, N., Markus Pflitsch and Valerii Vinokur. 2024 "Loss Control-Based Key Distribution Under Quantum Protection" Preprints. https://doi.org/10.20944/preprints202403.0566.v1

Abstract

Quantum cryptography revolutionizes secure information transfer, providing defense against both quantum and classical computational attacks. The primary challenge in extending the reach of quantum communication comes from the exponential decay of signals over long distances. Addressing this challenge, we have developed Quantum-protected Control-based Key Distribution (QCKD), overcoming transmission range limitations by monitoring signal leakages and rendering leaked quantum states significantly non-orthogonal. This paper reports on the experiments with the QCKD, conducted over a 1,707 km fiber line. We demonstrate advancements in critical components of the protocol, showing its remarkable scalability and adaptability for extended distances and multi-user configurations.

Keywords

quantum key distribution; optical fiber; Rayleigh scattering; loss control; transmittometry; optical time-domain reflectometry; line tomography, privacy amplification.

Subject

Physical Sciences, Quantum Science and Technology

Copyright: This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

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