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Open Quantum Systems Decoherence Quantum Cryptography Security

QKD protected fiber-based infrastructure for time dissemination

arXiv

Authors: Alice Meda, Alberto Mura, Salvatore Virzì, Alessio Avella, Filippo Levi, Ivo P. Degiovanni, Andrea Geraldi, Mauro Valeri, Silvia Di Bartolo, Tommaso Catuogno, Mattia Verducci, Marco Genovese, Davide Calonico

Year

2024

Paper ID

60408

Status

Preprint

Abstract Read

~2 min

Abstract Words

111

Citations

N/A

Abstract

In this study, we demonstrate the possibility to protect, with Quantum Key Distribution (QKD), a critical infrastructure as the fiber-based one used for time and frequency (TF) dissemination service. The proposed technique allows to disseminate secure and precise TF signals between two fiber-opticconnected locations, on a critical infrastructure, using both QKD and White Rabbit technique. This secure exchange allows the secret sharing of time information between two parties for the synchronization of distant clocks with the highest stability and traceable to the Italian time scale. When encrypted, time signals would reveal to a third party no useful information about the synchronization status, providing a time stability two orders of magnitude worsened.

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This paper contributes to the Open Quantum Systems & Decoherence research area in the Quantum Articles archive.
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In this study, we demonstrate the possibility to protect, with Quantum Key Distribution (QKD), a critical infrastructure as the fiber-based one used for time and frequency (TF)...

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References & Citation Signals

[1] DOI https://doi.org/arXiv:2412.17731 [2] arXiv https://arxiv.org/abs/2412.17731 [3] Publisher https://arxiv.org/abs/2412.17731

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