Infrared and Laser Engineering, Volume. 54, Issue 5, 20240516(2025)

Research on optical comb remote calibration based on fiber link network

Jing MA1,2,3, Fei MENG2,3, and Liang CHEN1
Author Affiliations
  • 1College of Optics and Electronic Science and Technology, China Jiliang University, Hangzhou 310000, China
  • 2Institute of Time and Frequency Metrology, National Institute of Metrology, Beijing 100029, China
  • 3Key Laboratory of State Administration for Market Regulation (Time Frequency and Gravity Primary Standard) , Beijing 100029, China
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    Figures & Tables(11)
    Schematic diagram of optical comb calibration technology based on optical fiber network
    Diagram of remote optical comb calibration experimental device. (The blue solid line indicates the optical frequency signal, the black solid line indicates the electrical signal, and the black dotted box indicates the node laboratory where the optical comb and laser are connected to the fiber network;BDU:beat detection unite;PC: Polarization controller; PD: Photodetector)
    Schematic of optical fiber link transmission test stability
    Results of fiber optic link noise frequency counting
    Comparison of external differences in stability of optical frequency signals after transmission
    Manual synchronous counter count results
    Program-controlled counter counting result
    The difference of the absolute frequency measurement between the reference optical comb and the optical comb under test
    Relative frequency error of the comb under test
    Relative frequency stability of the optical comb under test at 1 s
    • Table 1. The optical combs’ parameters and absolute frequency measurement results

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      Table 1. The optical combs’ parameters and absolute frequency measurement results

      Reference optical combOptical comb under test
      fr250000312.5 Hz250000000.0 Hz
      f020000000 Hz35000000 Hz
      N777463777464
      fb19902449.5 Hz67818874 Hz
      fCW194366032859637 Hz194366032818874 Hz
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    Jing MA, Fei MENG, Liang CHEN. Research on optical comb remote calibration based on fiber link network[J]. Infrared and Laser Engineering, 2025, 54(5): 20240516

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    Paper Information

    Category: 光电测量

    Received: Nov. 6, 2024

    Accepted: --

    Published Online: May. 26, 2025

    The Author Email:

    DOI:10.3788/IRLA20240516

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