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Photonics Research, Volume. 7, Issue 4, 431(2019)

Soliton and bound-state soliton mode-locked fiber laser based on a MoS2/fluorine mica Langmuir–Blodgett film saturable absorber

Ruidong Lü1, Yonggang Wang1、*, Jiang Wang1, Wei Ren2, Lu Li2, Sicong Liu1, Zhendong Chen1, Yongfang Li1, Hongying Wang3, and Fuxing Fu3
Author Affiliations
  • 1School of Physics and Information Technology, Shaanxi Normal University, Xi’an 710119, China
  • 2School of Science, Xi’an Institute of Posts and Telecommunications, Xi’an 710121, China
  • 3Key Laboratory for Surface Engineering and Remanufacturing of Shaanxi Province, Xi’an University, Xi’an 710065, China
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    (a) Fabrication process of SA devices. (b) Macroscopic images of FM and MoS2/FM. (c) SEM image of a MoS2 SA by the spin-coating and LB methods at the same resolutions. (d) 3D and plane AFM image and the AFM height profile diagram of few-layer MoS2. (e) Raman spectrum of the MoS2 SA.

    Fig. 1. (a) Fabrication process of SA devices. (b) Macroscopic images of FM and MoS2/FM. (c) SEM image of a MoS2 SA by the spin-coating and LB methods at the same resolutions. (d) 3D and plane AFM image and the AFM height profile diagram of few-layer MoS2. (e) Raman spectrum of the MoS2 SA.

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    (a) Linear transmittance measured in the spectral range from 1450 to 1600 nm. (b) Nonlinear saturable absorption of the MoS2/FM LB film.

    Fig. 2. (a) Linear transmittance measured in the spectral range from 1450 to 1600 nm. (b) Nonlinear saturable absorption of the MoS2/FM LB film.

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    Configuration of a passively mode-locked EDF laser.

    Fig. 3. Configuration of a passively mode-locked EDF laser.

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    Characterization of the soliton mode-locked fiber laser: (a) optical spectrum, (b) autocorrelation trace, (c) oscilloscope trace, (d) RF spectrum, and (e) the relationship between the output power and pump power of soliton mode locking. (f) Long-term optical spectrum measured for five days.

    Fig. 4. Characterization of the soliton mode-locked fiber laser: (a) optical spectrum, (b) autocorrelation trace, (c) oscilloscope trace, (d) RF spectrum, and (e) the relationship between the output power and pump power of soliton mode locking. (f) Long-term optical spectrum measured for five days.

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    Experimental results of a bound-state soliton mode-locked fiber laser. (a) Optical spectrum and (b) autocorrelation trace.

    Fig. 5. Experimental results of a bound-state soliton mode-locked fiber laser. (a) Optical spectrum and (b) autocorrelation trace.

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    (a) Bound-state pulse oscilloscope trace with a pump power of 307 mW. (b) Repetition rate and harmonic number under a different pump power.

    Fig. 6. (a) Bound-state pulse oscilloscope trace with a pump power of 307 mW. (b) Repetition rate and harmonic number under a different pump power.

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    • Table 1. Comparison of Nonlinear Parameters and Corresponding Mode-Locked EDF Lasers Based on a TMD SA

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      Table 1. Comparison of Nonlinear Parameters and Corresponding Mode-Locked EDF Lasers Based on a TMD SA

      MaterialsSA typeLayerMD (%)UL (%)λ (nm)τ (fs)Pave (mW)Reference
      WS2PVA—2.930.91572595—[17]
      WS2Taper7–90.565.015635632.8[18]
      WSe2Polymethylmethacrylate-side-polished fiber (PMMA-SPF)1–354.5—1556477—[19]
      MoSe2PVA2–30.63.5155814500.4[20]
      MoS2PVA5–62.744.215566065.9[21]
      MoS2Fiber facet4–535.434.1156912805.1[22]
      MoS2PMMA-SPF<10>2.5<70.01568637—[23]
      MoS2FM LB film4–55.913.415575819.6This study
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    Ruidong Lü, Yonggang Wang, Jiang Wang, Wei Ren, Lu Li, Sicong Liu, Zhendong Chen, Yongfang Li, Hongying Wang, Fuxing Fu, "Soliton and bound-state soliton mode-locked fiber laser based on a MoS2/fluorine mica Langmuir–Blodgett film saturable absorber," Photonics Res. 7, 431 (2019)

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    Paper Information

    Category: Lasers and Laser Optics

    Received: Sep. 4, 2018

    Accepted: Dec. 7, 2018

    Published Online: Apr. 11, 2019

    The Author Email: Yonggang Wang (chinawygxjw@snnu.edu.cn)

    DOI:10.1364/PRJ.7.000431

    Topics

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