Proof-of-principle experimental demonstration of twin-field quantum key distribution over optical channels with asymmetric losses

Abstract Twin-field (TF) quantum key distribution (QKD) is highly attractive because it can beat the fundamental limit of secret key rate for point-to-point QKD without quantum repeaters. Many theoretical and experimental studies have shown the superiority of TFQKD in long-distance communication. Al...

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Bibliographic Details
Main Authors: Xiaoqing Zhong, Wenyuan Wang, Li Qian, Hoi-Kwong Lo
Format: article
Language:EN
Published: Nature Portfolio 2021
Subjects:
Online Access:https://doaj.org/article/bb5fae24a3db4180963f9265ae8a6822
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