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Conferences > CLEO_FS > 2023 > FF2A > FF2A.6

Overcoming the Rate-Loss Limit without Global Phase Tracking

Lai Zhou, Jinping Lin, Yuan-Mei Xie, Yu-Shuo Lu, Yumang Jing, Hua-Lei Yin, and Zhiliang Yuan

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Abstract

We achieve a finite-size key rate of 42.64bps over 508km fibers, breaking the fundamental rate-loss limit of point-point quantum key distribution (QKD), via implementing an innovative measurement-device-independent QKD through asynchronous coincidence pairing.

© 2023 The Author(s)

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