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Acta Optica Sinica, Volume. 40, Issue 16, 1614002(2020)

Narrow-Linewidth Random Fiber Laser Based on Random Fiber Grating

Jie Hu1, Yifei Wang1, Zhikun Xing1, Zhen Wang1, Chen Liu1,2, Zhijun Yan1,2、*, Qizhen Sun1,2, and Deming Liu1,2
Author Affiliations
  • 1National Engineering Laboratory for Next Generation Internet Access System, School of Optical and Electronic Information, Huazhong University of Science and Technology, Wuhan, Hubei 430074, China
  • 2Wuhan National Laboratory for Optoelectronics, Huazhong University of Science and Technology, Wuhan, Hubei 430074, China
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    AbstractGet PDF(in Chinese)
    Figures&Tables (6)
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    References (24)
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    Figures & Tables(6)
    Simulated reflection spectrum of random fiber grating

    Fig. 1. Simulated reflection spectrum of random fiber grating

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    Random fiber grating. (a) Fabrication setup; (b) transmission and reflection spectra

    Fig. 2. Random fiber grating. (a) Fabrication setup; (b) transmission and reflection spectra

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    Proposed random fiber laser. (a) Diagram of structure; (b) optical spectrum of laser output

    Fig. 3. Proposed random fiber laser. (a) Diagram of structure; (b) optical spectrum of laser output

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    Output performance of laser. (a) Output power versus pump power; (b) fluctuation of central wavelength and output power

    Fig. 4. Output performance of laser. (a) Output power versus pump power; (b) fluctuation of central wavelength and output power

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    Laser linewidth test. (a) Diagram of DSH method; (b) frequency spectrum of heterodyne beating signals

    Fig. 5. Laser linewidth test. (a) Diagram of DSH method; (b) frequency spectrum of heterodyne beating signals

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    • Table 1. Output properties of different narrow-linewidth random fiber lasers

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      Table 1. Output properties of different narrow-linewidth random fiber lasers

      SchemePump thresholdSlop efficiencyLinewidthCavity length
      EDF+RS[14]100 mW2%<2 kHz>5.7 km
      BG+RS[15]200 mW1.5 kHz>4.5 km
      BG+ARSEP[16]3.9 mW<800 Hz25 km
      EDF+ARSEP[21]100 mA (EDFA current)0.9%~2.1 kHz<10 m
      EDF+AGF[23]75 mA56%1.25 kHz>130 m
      EDF+ARSEP[22]92.8 mW4.5%~1 kHz<10 m
      This work24.5 mW10.05%1.33 kHz~4.44 m
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    Jie Hu, Yifei Wang, Zhikun Xing, Zhen Wang, Chen Liu, Zhijun Yan, Qizhen Sun, Deming Liu. Narrow-Linewidth Random Fiber Laser Based on Random Fiber Grating[J]. Acta Optica Sinica, 2020, 40(16): 1614002

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    Paper Information

    Category: Lasers and Laser Optics

    Received: Apr. 20, 2020

    Accepted: May. 11, 2020

    Published Online: Aug. 7, 2020

    The Author Email: Yan Zhijun (yanzhijun@gmail.com)

    DOI:10.3788/AOS202040.1614002

    Topics

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