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arXiv · 2507.13745

Time-Frequency Transfer over Optical Fiber

Ziyang Chen·Yufei Zhang·Bin Luo·Hong Guo
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Abstract

Optical time-frequency transfer establishes the metrological linkage in large-scale clock networks, which facilitates various applications. Fiber-based transfer benefits from the abundant deployment of fiber infrastructures to achieve this advantage. In this Review, we provide an overview of the advances in optical two-way time-frequency transfer, which began with characterizing the time-frequency transfer stability. Then, we discuss the system configuration, key modules, main challenges, and mainstream transfer methods. Finally, the Review concludes with an outlook on further applications toward global-scale high-precision clock networks.

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Ziyang Chen, Yufei Zhang, Bin Luo, Hong Guo. 2025-07-18. Time-Frequency Transfer over Optical Fiber. https://doi.org/10.1093/nsr%2Fnwaf236

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