Absolutely consistent phase synchronization technology with a wide temperature range based on fiber-optic time and frequency transfer

Yichen Wang; Fei Yang; Kang Cao; Jiawen Shi; Lili Han

doi:10.1117/12.3022792

18 March 2024 Absolutely consistent phase synchronization technology with a wide temperature range based on fiber-optic time and frequency transfer

Yichen Wang, Fei Yang, Kang Cao, Jiawen Shi, Lili Han

Author Affiliations +

Proceedings Volume 13104, Advanced Fiber Laser Conference (AFL2023); 1310426 (2024) https://doi.org/10.1117/12.3022792
Event: Advanced Fiber Laser Conference (AFL2023), 2023, Shenzhen, China

Abstract

For the demands of wide operating temperature for fiber-optic time and frequency synchronization applied to the actual system of distributed coherent detection, we propose an absolutely consistent phase synchronization method. Assisted by time delay, in the way of phase locking, we accomplish absolute consistent bias reference point control at different operating temperatures. Respectively at different environment temperature of -40°C and 50°C, the experimental results reveal 100 MHz frequency stabilities of 3.1694 E-13 at 1 s and 3.1513 E-13 at 1 s and the relative difference was less than 0.6%. The average value of 1pps delay was 275102808.1 ps and 275102864.9 ps respectively, and the relative difference was less than 0.1%. The 1pps synchronization accuracy is 21.1744 ps and 26.2030 ps separately.

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

Citation Download Citation

Yichen Wang, Fei Yang, Kang Cao, Jiawen Shi, and Lili Han "Absolutely consistent phase synchronization technology with a wide temperature range based on fiber-optic time and frequency transfer", Proc. SPIE 13104, Advanced Fiber Laser Conference (AFL2023), 1310426 (18 March 2024); https://doi.org/10.1117/12.3022792

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