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Chinese Journal of Lasers, Volume. 48, Issue 5, 0501013(2021)

Sub-Picosecond NALM Mode-Locked Fiber Laser with 21 MHz-100 kHz Repetition Rate

Yuhang Shi1,2, Zhaochen Cheng1,2、*, Zhigang Peng1,2, Yu You1,2, Tong Xia1,2, and Pu Wang1,2、*
Author Affiliations
  • 1Institute of Laser Engineering, Faculty of Materials and Manufacturing, Beijing University of Technology, Beijing 100124, China
  • 2Beijing Engineering Research Center of Laser Applied Technology, Beijing University of Technology, Beijing 100124, China
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    AbstractGet PDF(in Chinese)
    Figures&Tables (6)
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    References (30)
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    Structural diagram of all-PM Yb-doped NALM mode-locked fiber laser setup

    Fig. 1. Structural diagram of all-PM Yb-doped NALM mode-locked fiber laser setup

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    Output parameters of mode-locked laser at repetition rate of 21.16 MHz. (a) Pulse sequence; (b) output spectrum; (c) autocorrelation trace of output pulse; (d) autocorrelation trace of compressed pulse

    Fig. 2. Output parameters of mode-locked laser at repetition rate of 21.16 MHz. (a) Pulse sequence; (b) output spectrum; (c) autocorrelation trace of output pulse; (d) autocorrelation trace of compressed pulse

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    Output parameters of mode-locked laser at different repetition rates. (a) Output spectra; (b) output pulse durations; (c) autocorrelation traces of compressed pulses

    Fig. 3. Output parameters of mode-locked laser at different repetition rates. (a) Output spectra; (b) output pulse durations; (c) autocorrelation traces of compressed pulses

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    Output spectral bandwidth, pulse energy, pulse duration and compressed pulse duration versus repetition rate

    Fig. 4. Output spectral bandwidth, pulse energy, pulse duration and compressed pulse duration versus repetition rate

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    Output parameters of 20 μm /125 μm double-cladding amplifier. (a) Spectra at different output powers; (b) output power versus pump power; (c) input pulse duration; (d) compressed pulse duration after amplification

    Fig. 5. Output parameters of 20 μm /125 μm double-cladding amplifier. (a) Spectra at different output powers; (b) output power versus pump power; (c) input pulse duration; (d) compressed pulse duration after amplification

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    • Table 1. Resonant cavity parameters and output pulse parameters at different repetition rates

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      Table 1. Resonant cavity parameters and output pulse parameters at different repetition rates

      Repetitionrate /MHzLength ofcavity /mLengthof SMF1 /mLengthof SMF2 /mMainpumppower /mWNALMpumppower /mWAverageoutputpower /mWPulseenergy /nJFull widthat halfmaximumof spectrum /nmUncompressedduration /psCompressedduration /fs
      21.169.50090126211.009.15.3352
      5.9233.801894908.61.4530.010.7177
      1.281564410012211912.59.7613.525.8284
      0.4574382072161061597.817.17.556.1496
      0.280714207492991475.7520.67.961.2441
      0.18111062078851061233.7520.75.280.5663
      0.100200018018007220110.41042.93001053
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    Yuhang Shi, Zhaochen Cheng, Zhigang Peng, Yu You, Tong Xia, Pu Wang. Sub-Picosecond NALM Mode-Locked Fiber Laser with 21 MHz-100 kHz Repetition Rate[J]. Chinese Journal of Lasers, 2021, 48(5): 0501013

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    Paper Information

    Category: laser devices and laser physics

    Received: Nov. 5, 2020

    Accepted: Dec. 16, 2020

    Published Online: Mar. 3, 2021

    The Author Email: Cheng Zhaochen (chengzhaochen@bjut.edu.cn), Wang Pu (chengzhaochen@bjut.edu.cn)

    DOI:10.3788/CJL202148.0501013

    Topics

    laser devices and laser physics
    Lasers and Laser Optics
    Laser physics
    laser manufacturing
    Instrumentation, Measurement and Metrology