Acta Optica Sinica, Volume. 42, Issue 15, 1506002(2022)

Ultra-High Precision Time Transfer Based on Fiber Frequency Transfer

Faxi Chen1, Bo Li2、*, and Baolong Guo1
Author Affiliations
  • 1Xidian University, Xi′an710071, Shaanxi , China
  • 2National Time Service Center, Chinese Academy of Sciences, Xi′an710600, Shaanxi , China
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    Figures & Tables(5)
    Block diagram of high-precision time transfer based on fiber frequency transfer
    Simulation results of time transfer system based on fiber frequency transfer. (a) Time difference; (b) TDEV
    Experimental setup of time transfer based on fiber frequency transfer
    Measured results of time-frequency transfer system based on 500 km fiber link. (a) Time difference; (b) TDEV
    • Table 1. Uncertainty analysis of high-precision time transfer based on fiber frequency transfer

      View table

      Table 1. Uncertainty analysis of high-precision time transfer based on fiber frequency transfer

      Error sourceError /ps
      Combined standard uncertainty6.4
      Measurement error of time transfer3.0
      Measurement error of regeneration2.0
      Device system delay error2.5
      Optical fiber dispersion coefficient measurement error4.5
      Laser wavelength error1.4
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    Faxi Chen, Bo Li, Baolong Guo. Ultra-High Precision Time Transfer Based on Fiber Frequency Transfer[J]. Acta Optica Sinica, 2022, 42(15): 1506002

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    Paper Information

    Category: Fiber Optics and Optical Communications

    Received: Dec. 24, 2021

    Accepted: Feb. 25, 2022

    Published Online: Aug. 4, 2022

    The Author Email: Li Bo (libo@ntsc.ac.cn)

    DOI:10.3788/AOS202242.1506002

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