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Conferences > CLEOPR > 2018 > Th4J > Th4J.3

First Demonstration of nonlocal two-way quantum clock synchronization on fiber link

Hou Feiyan, Dong Ruifang, Quan Runai, Xiang Xiao, Liu Tao, and Zhang Shougang

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Abstract

We have demonstrated a two-way quantum clock synchronization by using frequency entangled pulses. For two clocks separated by 20km fiber, a timing stability of 0.85ps was achieved at averaging time of 5120s with a synchronization accuracy of 10ps.

© 2018 The Author(s)

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