Time and frequency transfer and synchronization through the optical fiber

Kun Liang; Wei Fang; Zhiqiang Yang; Kai Han

doi:10.1117/12.2555109

12 March 2020 Time and frequency transfer and synchronization through the optical fiber

Kun Liang, Wei Fang, Zhiqiang Yang, Kai Han

Proceedings Volume 11435, 2019 International Conference on Optical Instruments and Technology: Optical Communication and Optical Signal Processing; 114350L (2020) https://doi.org/10.1117/12.2555109
Event: 2019 International Conference on Optical Instruments and Technology, 2019, Beijing, China

Abstract

According to TWSTFT, two way optical fiber time and frequency transfer(TWOTFT) was designed.TWOTFT in real time based on the instant exchange of time transfer data via optical fiber was implemented. One kind of time and frequency standard disciplined by UTC(NIM) (National Metrology Primary Standard of China), called NIMDO, was constructed using TWOTFT for accurate and precise time synchronization, whose time difference from UTC(NIM) could be less than 1 ns, which is much better than NIMDO via GNSS (Global Navigation Satellite System) time transfer method (based on GPS (Global Positioning System) time transfer).

Citation Download Citation

Kun Liang, Wei Fang, Zhiqiang Yang, and Kai Han "Time and frequency transfer and synchronization through the optical fiber", Proc. SPIE 11435, 2019 International Conference on Optical Instruments and Technology: Optical Communication and Optical Signal Processing, 114350L (12 March 2020); https://doi.org/10.1117/12.2555109

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