Continuous laser two-way time-frequency transfer in the presence of motion

Jiawen Shi; Fei Yang; Kang Cao; Yanguang Sun; Xuejiao Zhang; Yichen Wang; Lili Han; Weibiao Chen

doi:10.1117/12.3022695

18 March 2024 Continuous laser two-way time-frequency transfer in the presence of motion

Jiawen Shi, Fei Yang, Kang Cao, Yanguang Sun, Xuejiao Zhang, Yichen Wang, Lili Han, Weibiao Chen

Proceedings Volume 13104, Advanced Fiber Laser Conference (AFL2023); 131041X (2024) https://doi.org/10.1117/12.3022695
Event: Advanced Fiber Laser Conference (AFL2023), 2023, Shenzhen, China

Abstract

We demonstrate high-precision free-space time and frequency transfer (FSTFT) based on laser in the presence of motion with digital phase-locked loop. Radio frequency with 1 GHz and time signal with one pulse per second (1 PPS) are transmitted over 108 m indoor atmospheric link. The experimental results reveal remarkable frequency stability with instabilities of 1.5E-14 at 1 s and 8.0E-16 at 100 s, even in the presence of a time-varying link characterized by speeds of ± 1.5 m/s. And time interval transfer of 1 PPS signal with 32 ps standard deviation of time delay jitter is obtained.

(2024) Published by SPIE. Downloading of the abstract is permitted for personal use only.

Citation Download Citation

Jiawen Shi, Fei Yang, Kang Cao, Yanguang Sun, Xuejiao Zhang, Yichen Wang, Lili Han, and Weibiao Chen "Continuous laser two-way time-frequency transfer in the presence of motion", Proc. SPIE 13104, Advanced Fiber Laser Conference (AFL2023), 131041X (18 March 2024); https://doi.org/10.1117/12.3022695

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