Optical-carrier radio-frequency phase stabilization transfer based on phase lock loop

Dongjie Wang; Shaobo Li; Lei Zhang; Mingyang Lv; Guansu Xing; Yu Liang; Yandan Liu; Anni Liu; Haoyang Li; Dong An

doi:10.1117/12.2690187

17 August 2023 Optical-carrier radio-frequency phase stabilization transfer based on phase lock loop

Dongjie Wang, Shaobo Li, Lei Zhang, Mingyang Lv, Guansu Xing, Yu Liang, Yandan Liu, Anni Liu, Haoyang Li, Dong An

Proceedings Volume 12757, 3rd International Conference on Laser, Optics, and Optoelectronic Technology (LOPET 2023); 127571K (2023) https://doi.org/10.1117/12.2690187
Event: 3rd International Conference on Laser, Optics and Optoelectronic Technology (LOPET 2023), 2023, Kunming, China

Abstract

The precision of frequency signal is constantly improving, and the application of high-precision frequency signals requires an equally high-precision transmission method. So in this paper, we demonstrate an optical carrier radiofrequency phase stabilization transfer system based on a phase lock loop (PLL), applied to a 20 km spooled fiber link. The phase noise induced by optical fiber is suppressed by the PLL, and the transfer stability improved from 7.2×10^-13@1 s to 8.9×10^-15@1 s. In addition, the phase difference of peak-to-peak with compensation is less than 10 ps in a measurement of about 1 day. The phase study in antenna is with the compensation mode, so this work will lay the foundation for the phase synchronization of distributed coherent antenna system.

Citation Download Citation

Dongjie Wang, Shaobo Li, Lei Zhang, Mingyang Lv, Guansu Xing, Yu Liang, Yandan Liu, Anni Liu, Haoyang Li, and Dong An "Optical-carrier radio-frequency phase stabilization transfer based on phase lock loop", Proc. SPIE 12757, 3rd International Conference on Laser, Optics, and Optoelectronic Technology (LOPET 2023), 127571K (17 August 2023); https://doi.org/10.1117/12.2690187

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