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Acta Photonica Sinica, Volume. 53, Issue 6, 0614004(2024)

Mode-locked Fiber Laser Based on Lead Sulfide Quantum Dot Saturable Absorber

Bofeng GAO1, Lu WANG1, He ZHANG1、*, and Chong ZHANG2
Author Affiliations
  • 1National Key Laboratory of High Power Semiconductor Lasers， Changchun Universiy of Technology， Changchun 130022， China
  • 2The First Military Representative Office In Changchun of Army， Changchun 130033， China
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    AbstractGet PDF(in Chinese)
    Figures&Tables (9)
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    References (29)
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    Figures & Tables(9)
    Preparation process of PbS QDs

    Fig. 1. Preparation process of PbS QDs

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    Preparation process of PbS QDs SA

    Fig. 2. Preparation process of PbS QDs SA

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    Characterization of PbS QDs

    Fig. 3. Characterization of PbS QDs

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    Nonlinear measurement of PbS QDs

    Fig. 4. Nonlinear measurement of PbS QDs

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    Consistency and repeatability test of PbS QDs SA

    Fig. 5. Consistency and repeatability test of PbS QDs SA

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    Mode-locked optical fiber device test platform

    Fig. 6. Mode-locked optical fiber device test platform

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    Four self-starting mode-locked spectra of PbS QDs SA at 61 mW for 24 hours

    Fig. 7. Four self-starting mode-locked spectra of PbS QDs SA at 61 mW for 24 hours

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    Mode-locked operation at the fundamental repetition rate of 19.53 MHz

    Fig. 8. Mode-locked operation at the fundamental repetition rate of 19.53 MHz

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    • Table 1. Parametric statistics of nine thin films

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      Table 1. Parametric statistics of nine thin films

      Sample123456789
      ΔT/%25.5031.4226.3228.5026.4632.6025.8331.8730.43
      Tns/%9.897.8711.426.516.426.659.297.5111.58
      Isat/（MW·cm-2）5.617.066.087.046.757.144.767.086.39
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    Bofeng GAO, Lu WANG, He ZHANG, Chong ZHANG. Mode-locked Fiber Laser Based on Lead Sulfide Quantum Dot Saturable Absorber[J]. Acta Photonica Sinica, 2024, 53(6): 0614004

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    Paper Information

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    Received: Nov. 6, 2023

    Accepted: Jan. 31, 2024

    Published Online: Jul. 16, 2024

    The Author Email: He ZHANG (zhanghe@cust.edu.cn)

    DOI:10.3788/gzxb20245306.0614004

    Topics

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