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Chinese Optics Letters, Volume. 13, Issue Suppl., S21404(2015)

Narrow-linewidth distributed feedback fiber laser with MOPA

Haifeng Qi1、**, Zhiqiang Song1, Jian Guo1, Jiasheng Ni1, Chang Wang1、*, and Gangding Peng1,2
Author Affiliations
  • 1Shandong Key Laboratory of Optical Fiber Sensing Technologies, Laser Institute of Shandong Academy of Sciences, Shandong 250014, China
  • 2School of Electrical Engineering and Telecommunications, The University of New South Wales, NSW, 2052, Australia
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    Structure of DFB-FL.

    Fig. 1. Structure of DFB-FL.

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    Schematic diagram for the DFB-FL with MOPA structure.

    Fig. 2. Schematic diagram for the DFB-FL with MOPA structure.

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    (a) Laser output curve and (b) laser spectra.

    Fig. 3. (a) Laser output curve and (b) laser spectra.

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    Characteristic comparisons of the DFB-FL with MOPA structure and other narrow-linewidth fiber lasers: (a) linewidth, self-homodyne method with 30 km OPD, (b) phase noise, 30 m OPD, unit: pm/Hz.

    Fig. 4. Characteristic comparisons of the DFB-FL with MOPA structure and other narrow-linewidth fiber lasers: (a) linewidth, self-homodyne method with 30 km OPD, (b) phase noise, 30 m OPD, unit: pm/Hz.

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    Narrow-linewidth DFB module.

    Fig. 5. Narrow-linewidth DFB module.

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    • Table 1. Characteristics of the DFB-FL with MOPA Structure

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      Table 1. Characteristics of the DFB-FL with MOPA Structure

      Pump powerLaser output power (including ASE)Relative intensity noiseLinewidthNet power amplification (excluding ASE)
      300 mW60 mW−107  dB/Hz2 kHz20 dB
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    Haifeng Qi, Zhiqiang Song, Jian Guo, Jiasheng Ni, Chang Wang, Gangding Peng, "Narrow-linewidth distributed feedback fiber laser with MOPA," Chin. Opt. Lett. 13, S21404 (2015)

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    Paper Information

    Category: Lasers and Laser Optics

    Received: Jan. 7, 2015

    Accepted: Mar. 10, 2015

    Published Online: Aug. 8, 2018

    The Author Email: Haifeng Qi (qihf@sdlaser.cn), Chang Wang (wang960100@163.com)

    DOI:10.3788/COL201513.S21404

    Topics

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