Practical security of twin-field quantum key distribution with optical phase-locked loop under wavelength-switching attack

Practical security of twin-field quantum key distribution with optical phase-locked loop under wavelength-switching attack

Abstract The twin-field class quantum key distribution (TF-class QKD) has experimentally demonstrated the ability to surpass the fundamental rate-distance limit without requiring a quantum repeater, as a revolutional milestone. In TF-class QKD implementation, an optical phase-locked loop (OPLL) stru...

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Bibliographic Details
Main Authors: Qingquan Peng, Jiu-Peng Chen, Tianyi Xing, Dongyang Wang, Yizhi Wang, Yang Liu, Anqi Huang
Format: Article
Language:English
Published: Nature Portfolio 2025-01-01
Series:npj Quantum Information
Online Access:https://doi.org/10.1038/s41534-025-00963-9
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