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Chinese Optics Letters, Volume. 16, Issue 2, 020020(2018)

2  μm mode-locking laser performances of sol-gel-fabricated large-core Tm-doped silica fiber

Yan Ren1, Zhipeng Qin1, Guoqiang Xie1、*, Zhen Qiao1, Ting Hai1, Peng Yuan1, Jingui Ma1, Liejia Qian1, Shikai Wang2, Chunlei Yu2, and Lili Hu2
Author Affiliations
  • 1Key Laboratory for Laser Plasmas of the Ministry of Education, Collaborative Innovation Center of IFSA (CICIFSA), School of Physics and Astronomy, Shanghai Jiao Tong University, Shanghai 200240, China
  • 2Key Laboratory of Materials for High Power Laser, Shanghai Institute of Optics and Fine Mechanics, Chinese Academy of Sciences, Shanghai 201800, China
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    Spectroscopic characteristics of LC SGTS fiber. (a) The absorption spectrum. (b) The fluorescence spectrum and fluorescence decay curve (inset) of the F43→H63 transition.

    Fig. 1. Spectroscopic characteristics of LC SGTS fiber. (a) The absorption spectrum. (b) The fluorescence spectrum and fluorescence decay curve (inset) of the F43→H63 transition.

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    Refractive index profile of the Tm-doped silica glass preform.

    Fig. 2. Refractive index profile of the Tm-doped silica glass preform.

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    Setup schematic of the laser experiments. DM: dichroic mirror; SGTS fiber: sol-gel fabricated Tm-doped silica fiber; CS: cladding stripper.

    Fig. 3. Setup schematic of the laser experiments. DM: dichroic mirror; SGTS fiber: sol-gel fabricated Tm-doped silica fiber; CS: cladding stripper.

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    (a) CW output power versus launched pump power. The inset shows the CW laser spectrum. (b) The M2 factors of the output laser beam. Inset: output laser beam profile.

    Fig. 4. (a) CW output power versus launched pump power. The inset shows the CW laser spectrum. (b) The M2 factors of the output laser beam. Inset: output laser beam profile.

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    (a) Mode-locked pulse trains in ms and ns time scales. (b) The radio frequency (RF) spectrum. Inset: the RF spectrum with a wide span.

    Fig. 5. (a) Mode-locked pulse trains in ms and ns time scales. (b) The radio frequency (RF) spectrum. Inset: the RF spectrum with a wide span.

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    (a) Optical spectrum. (b) The autocorrelation trace.

    Fig. 6. (a) Optical spectrum. (b) The autocorrelation trace.

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    • Table 1. Passively Mode-locked Tm-doped or Tm/Ho co-doped Fiber Lasers Around 2 μm Spectral Regiona

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      Table 1. Passively Mode-locked Tm-doped or Tm/Ho co-doped Fiber Lasers Around 2 μm Spectral Regiona

      Mode-locking techniqueWavelength (nm)Pulse width (ps)Average power (mW)Rep rate (MHz)Pulse energy (nJ)Reference
      NPE1842–1978–0.3–1.02.6–[27]
      NPE1880–20301301967.50.28[28]
      CNT19301.323.43710.88[29]
      CNT18850.7525450.5[30]
      Graphene18760.61.5412.49[31]
      Graphene19680.26110100.251.0[32]
      Graphene1879.44.74561045.49[33]
      SESAM19501.51013.20.76[34]
      SESAM19387.9505350.1[35]
      SESAM195523.91.0×10323.243.1This work
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    Yan Ren, Zhipeng Qin, Guoqiang Xie, Zhen Qiao, Ting Hai, Peng Yuan, Jingui Ma, Liejia Qian, Shikai Wang, Chunlei Yu, Lili Hu, "2  μm mode-locking laser performances of sol-gel-fabricated large-core Tm-doped silica fiber," Chin. Opt. Lett. 16, 020020 (2018)

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    Paper Information

    Special Issue: PHOTONICS BASED ON 2D NONCARBON MATERIALS

    Received: Sep. 10, 2017

    Accepted: Nov. 23, 2017

    Published Online: Jul. 16, 2018

    The Author Email: Guoqiang Xie (xiegq@sjtu.edu.cn)

    DOI:10.3788/COL201816.020020

    Topics

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