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Opto-Electronic Advances, Volume. 3, Issue 11, 200001-1(2020)

Observation and optimization of 2 μm mode-locked pulses in all-fiber net anomalous dispersion laser cavity

Wanzhuo Ma1...2, Desheng Zhao1,2, Runmin Liu1,2, Tianshu Wang1,2,*, Quan Yuan1,2, Hao Xiong1,2, Haiying Ji1,2, and Huilin Jiang12 |Show fewer author(s)
Author Affiliations
  • 1National and Local Joint Engineering Research Center of Space Optoelectronics Technology, Changchun University of Science and Technology, Changchun 130022, China
  • 2College of Opto-Electronic Engineering, Changchun University of Science and Technology, Changchun 130022, China
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    Experimental set-up of dispersion-managed mode-locked thulium-doped fiber laser.

    Fig. 1. Experimental set-up of dispersion-managed mode-locked thulium-doped fiber laser.

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    Conventional soliton at -0.508 ps2 net dispersion.

    Fig. 2. Conventional soliton at -0.508 ps2 net dispersion.

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    Gaussian-type stretched pulses at -0.077 ps2 net dispersion.

    Fig. 3. Gaussian-type stretched pulses at -0.077 ps2 net dispersion.

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    Performance of noise-like pulses.

    Fig. 4. Performance of noise-like pulses.

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    Schematic diagram of UHNA4 fiber loss measurement.

    Fig. 5. Schematic diagram of UHNA4 fiber loss measurement.

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    (a) Single pulse energy as a function of pump power. (b) Peak power as a function of pump power before compression (at point a in Fig. 1). (c) Peak power as a function of pump power after compression (at point c in Fig. 1).

    Fig. 6. (a) Single pulse energy as a function of pump power. (b) Peak power as a function of pump power before compression (at point a in Fig. 1). (c) Peak power as a function of pump power after compression (at point c in Fig. 1).

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    • Table 1. Parameters of commercial UHNA fibers.

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      Table 1. Parameters of commercial UHNA fibers.

      FiberNARadius (μm)β2 (ps2/m)
      UHNA40.352.2+0.091
      UHNA70.412.4+0.046
      SM2000D0.372.1+0.137

    • Table 2. Testing results of insertion loss.

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      Table 2. Testing results of insertion loss.

      Wavelength (nm)15501980
      Input power (dBm)1010
      Total loss with 5m UHNA4 fiber (dB)0.921.2
      Total loss with 9m UHNA4 fiber (dB)1.0241.5
      Estimated transmission loss (dB/m)0.0260.075
      Estimated splicing loss per point (dB)0.3950.4125
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    Wanzhuo Ma, Desheng Zhao, Runmin Liu, Tianshu Wang, Quan Yuan, Hao Xiong, Haiying Ji, Huilin Jiang. Observation and optimization of 2 μm mode-locked pulses in all-fiber net anomalous dispersion laser cavity[J]. Opto-Electronic Advances, 2020, 3(11): 200001-1

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    Paper Information

    Category: Original Article

    Received: Jan. 2, 2020

    Accepted: Feb. 19, 2020

    Published Online: Jun. 18, 2021

    The Author Email: Wang Tianshu (wangts@cust.edu.cn)

    DOI:10.29026/oea.2020.200001

    Topics

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