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Chinese Journal of Lasers, Volume. 47, Issue 8, 801002(2020)

Synchronous Spectral Overlapping Multi-Wavelength Pulsed Fiber Laser Based on Mamyshev Cavity

Li Ronghua, Ma Zehang, Tang Chengtian, and Wei Huai*
Author Affiliations
  • Key Laboratory of All Optical Network and Advanced Telecommunication Network of Ministry of Education, Institute of Lightwave Technology, Beijing JiaoTong University, Beijing 100044, China
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    AbstractGet PDF(in Chinese)
    Figures&Tables (15)
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    References (57)
    Cited By (4)
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    Figures & Tables(15)
    Schematic of Mamyshev regenerator

    Fig. 1. Schematic of Mamyshev regenerator

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    Schematic of Mamyshev oscillator

    Fig. 2. Schematic of Mamyshev oscillator

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    Structural diagram of adjustable delay line

    Fig. 3. Structural diagram of adjustable delay line

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    Simulation system of proposed four-wavelength laser

    Fig. 4. Simulation system of proposed four-wavelength laser

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    Evolution maps of intra-cavity pulse. (a) Frequency-domain map; (b) time-domain map

    Fig. 5. Evolution maps of intra-cavity pulse. (a) Frequency-domain map; (b) time-domain map

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    Output spectra of proposed four-wavelength laser

    Fig. 6. Output spectra of proposed four-wavelength laser

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    Output time-domain waveforms under different wavelengths

    Fig. 7. Output time-domain waveforms under different wavelengths

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    Comparison of time-domain waveforms outputted from system under different wavelengths. (a) 1040 nm; (b) 1050 nm; (c) 1045 nm; (d)1035 nm

    Fig. 8. Comparison of time-domain waveforms outputted from system under different wavelengths. (a) 1040 nm; (b) 1050 nm; (c) 1045 nm; (d)1035 nm

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    Frequency-domain diagrams outputted from system without single mode

    Fig. 9. Frequency-domain diagrams outputted from system without single mode

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    Energy transmission function curve

    Fig. 10. Energy transmission function curve

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    Transmission function curve of four-wavelength system when bandwidth of filter is 7 nm

    Fig. 11. Transmission function curve of four-wavelength system when bandwidth of filter is 7 nm

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    Input and output power transmission function curves of four-wavelength system under different filter bandwidths

    Fig. 12. Input and output power transmission function curves of four-wavelength system under different filter bandwidths

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    Transmission functions under different wavelength arrangement orders

    Fig. 13. Transmission functions under different wavelength arrangement orders

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    • Table 1. Energy changes before and after filtering under first wavelength arrangement order

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      Table 1. Energy changes before and after filtering under first wavelength arrangement order

      Wavelength /nmEnergy before filtering /pJEnergy after filtering /pJEnergy efficiency /%
      10454.1254×103349.49208.472
      10503.1881×103319.968010.036
      10404.8144×103393.32858.170
      10353.1726×103333.952310.526

    • Table 2. Energy changes before and after filtering under second wavelength arrangement order

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      Table 2. Energy changes before and after filtering under second wavelength arrangement order

      Wavelength /nmEnergy before filtering /pJEnergy after filtering /pJEnergy efficiency /%
      10402.8884×103305.591710.580
      10452.8006×103307.976610.997
      10503.0148×103342.107011.348
      10355.0427×103395.58397.845
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    Li Ronghua, Ma Zehang, Tang Chengtian, Wei Huai. Synchronous Spectral Overlapping Multi-Wavelength Pulsed Fiber Laser Based on Mamyshev Cavity[J]. Chinese Journal of Lasers, 2020, 47(8): 801002

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    Paper Information

    Category: laser devices and laser physics

    Received: Jan. 10, 2020

    Accepted: --

    Published Online: Aug. 17, 2020

    The Author Email: Huai Wei (hwei@bjtu.edu.cn)

    DOI:10.3788/CJL202047.0801002

    Topics

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