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Chinese Optics Letters, Volume. 16, Issue 8, 081402(2018)

Er-doped all-fiber laser mode-locked by graphitic carbon nitride nanosheets

Zikai Dong1, Runqin Xu1, Wenhai Zhang2, Heyang Guoyu1, Lingling Hua1, Jinrong Tian1, and Yanrong Song1、*
Author Affiliations
  • 1College of Applied Sciences, Beijing University of Technology, Beijing 100124, China
  • 2Beijing Key Laboratory for Green Catalysis and Separation, College of Environmental and Energy Engineering, Beijing University of Technology, Beijing 100124, China
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    Photographs of (a) the synthesized g-C3N4 powder, (b) 0.1 mg/mL g-C3N4 solution, and (c) the final g-C3N4/PVA hybrid film.

    Fig. 1. Photographs of (a) the synthesized g-C3N4 powder, (b) 0.1 mg/mL g-C3N4 solution, and (c) the final g-C3N4/PVA hybrid film.

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    (a) XRD pattern of g-C3N4 powder, (b) TEM photograph of g-C3N4 nanosheets, (c) AFM image of g-C3N4 nanosheets, (d) SEM image of the cross section of the g-C3N4/PVA hybrid film.

    Fig. 2. (a) XRD pattern of g-C3N4 powder, (b) TEM photograph of g-C3N4 nanosheets, (c) AFM image of g-C3N4 nanosheets, (d) SEM image of the cross section of the g-C3N4/PVA hybrid film.

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    Nonlinear transmission of the g-C3N4/PVA-SA.

    Fig. 3. Nonlinear transmission of the g-C3N4/PVA-SA.

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    Experimental setup of Er-doped mode-locked fiber laser with the g-C3N4/PVA SA using the sandwich structure.

    Fig. 4. Experimental setup of Er-doped mode-locked fiber laser with the g-C3N4/PVA SA using the sandwich structure.

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    Characteristics of the mode-locked fiber laser using a g-C3N4/PVA SA. (a) Output pulse train, time-domain pulse profile inserted. (b) RF output spectrum, RF spectrum in 20 GHz span inserted. (c) Typical optical spectrum. (d) Output power varies with the pump power.

    Fig. 5. Characteristics of the mode-locked fiber laser using a g-C3N4/PVA SA. (a) Output pulse train, time-domain pulse profile inserted. (b) RF output spectrum, RF spectrum in 20 GHz span inserted. (c) Typical optical spectrum. (d) Output power varies with the pump power.

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    • Table 1. Different Pulsed Lasers Modulated by a g-C3N4 SA

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      Table 1. Different Pulsed Lasers Modulated by a g-C3N4 SA

      Modulation Depth (%)Wavelength (nm)Pulse Width/Energy (ps/μJ)Modulation TypeReferences
      12.51066310 psMode-locking[14]
      3.3284011.1 μJQ-switching[16]
      11.1/13.613206.2 μJQ-switching[18]
      4.11530530 psMode-lockingThis work
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    Zikai Dong, Runqin Xu, Wenhai Zhang, Heyang Guoyu, Lingling Hua, Jinrong Tian, Yanrong Song, "Er-doped all-fiber laser mode-locked by graphitic carbon nitride nanosheets," Chin. Opt. Lett. 16, 081402 (2018)

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    Paper Information

    Category: Lasers and Laser Optics

    Received: Feb. 15, 2018

    Accepted: Jun. 25, 2018

    Published Online: Aug. 2, 2018

    The Author Email: Yanrong Song (yrsong@bjut.edu.cn)

    DOI:10.3788/COL201816.081402

    Topics

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