Breaking the Rate-Loss Bound of Quantum Key Distribution with Asynchronous Two-Photon Interference

Breaking the Rate-Loss Bound of Quantum Key Distribution with Asynchronous Two-Photon Interference

Twin-field quantum key distribution can overcome the secret key capacity of repeaterless quantum key distribution via single-photon interference. However, to compensate for the channel fluctuations and lock the laser fluctuations, the techniques of phase tracking and phase locking are indispensable...

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Bibliographic Details
Main Authors:	Yuan-Mei Xie, Yu-Shuo Lu, Chen-Xun Weng, Xiao-Yu Cao, Zhao-Ying Jia, Yu Bao, Yang Wang, Yao Fu, Hua-Lei Yin, Zeng-Bing Chen
Format:	Article
Language:	English
Published:	American Physical Society 2022-04-01
Series:	PRX Quantum
Online Access:	http://doi.org/10.1103/PRXQuantum.3.020315

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