This paper introduces an analog phase-locked loop circuit which accurately stabilized the repetition rate of a fiber optical frequency comb (OFC). The repetition rate of the OFC was aimed at 81 MHz. Within the temperature range of 2 ℃, the drift of the repetition rate can reach several hundred Hertz when the comb was running freely, which seriously affected the accuracy of measurement results based on the OFC. The analog phase-locked loop circuit composed of a mixing chip (as phase detecting module) and signal offset control (PI) circuit, can lock repetition rate of OFC to a rubidium atomic clock. The standard deviation of the repetition rate offset after locking was 0.35 mHz, and the frequency instability within 1 s was 4.3E-12. The locked OFC can meet requirements in time-frequency transmission, OFC ranging and other applications.


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    Titel :

    Experiment on Repetition Rate Locking of a Fiber Optical Frequency Comb


    Beteiligte:
    Zhang, Zhitao (Autor:in) / Liang, Yajun (Autor:in) / Zhang, Tieli (Autor:in) / Gao, Xiaoqiang (Autor:in) / Liu, Lin (Autor:in)


    Erscheinungsdatum :

    27.06.2022


    Format / Umfang :

    1305420 byte





    Medientyp :

    Aufsatz (Konferenz)


    Format :

    Elektronische Ressource


    Sprache :

    Englisch



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