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Photonics Research, Volume. 6, Issue 9, 830(2018)

Self-Q-switched and wavelength-tunable tungsten disulfide-based passively Q-switched Er:Y2O3 ceramic lasers

Xiaofeng Guan1, Jiawei Wang1, Yuzhao Zhang1, Bin Xu1、*, Zhengqian Luo1, Huiying Xu1, Zhiping Cai1, Xiaodong Xu2,5, Jian Zhang3, and Jun Xu4
Author Affiliations
  • 1Department of Electronic Engineering, Xiamen University, Xiamen 361005, China
  • 2Jiangsu Key Laboratory of Advanced Laser Materials and Devices, School of Physics and Electronic Engineering, Jiangsu Normal University, Xuzhou 221116, China
  • 3Key Laboratory of Transparent Opto-functional Inorganic Materials, Chinese Academy of Sciences, Shanghai 201899, China
  • 4School of Physics Science and Engineering, Institute for Advanced Study, Tongji University, Shanghai 200092, China
  • 5e-mail: xdxu79@mail.sic.ac.cn
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    Schematic of diode-pumped Er:Y2O3 ceramic lasers. IM, input mirror; OC, output coupler.

    Fig. 1. Schematic of diode-pumped Er:Y2O3 ceramic lasers. IM, input mirror; OC, output coupler.

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    Dependence of average output power on absorbed power of self-Q-switched Er:Y2O3 ceramic lasers; inset, corresponding laser spectrum at the highest output power.

    Fig. 2. Dependence of average output power on absorbed power of self-Q-switched Er:Y2O3 ceramic lasers; inset, corresponding laser spectrum at the highest output power.

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    Typical self-Q-switched single-pulse profiles with corresponding pulse trains as insets.

    Fig. 3. Typical self-Q-switched single-pulse profiles with corresponding pulse trains as insets.

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    (a) XRD patterns and (b) Raman spectra of the bulk WS2 and few-layer WS2 samples; (c) AFM image and (d) height profile of an as-prepared few-layer WS2 sample.

    Fig. 4. (a) XRD patterns and (b) Raman spectra of the bulk WS2 and few-layer WS2 samples; (c) AFM image and (d) height profile of an as-prepared few-layer WS2 sample.

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    Transmissions of the blank CaF2 substrate and CaF2 substrate with WS2 thin film.

    Fig. 5. Transmissions of the blank CaF2 substrate and CaF2 substrate with WS2 thin film.

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    Saturable absorption of the WS2 saturable absorber used.

    Fig. 6. Saturable absorption of the WS2 saturable absorber used.

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    Dependence of average output power on absorbed power of WS2-based Q-switched Er:Y2O3 ceramic lasers; inset, corresponding laser spectrum at the highest output power.

    Fig. 7. Dependence of average output power on absorbed power of WS2-based Q-switched Er:Y2O3 ceramic lasers; inset, corresponding laser spectrum at the highest output power.

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    Typical single-pulse profile of a passively Q-switched Er:Y2O3 ceramic laser; inset, corresponding pulse trains.

    Fig. 8. Typical single-pulse profile of a passively Q-switched Er:Y2O3 ceramic laser; inset, corresponding pulse trains.

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    (a) Stability measurement of average output power in 1 h and (b) temporal profiles of 12 superimposed pulses recorded every 5 min in 1 h.

    Fig. 9. (a) Stability measurement of average output power in 1 h and (b) temporal profiles of 12 superimposed pulses recorded every 5 min in 1 h.

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    Dependences of (a) pulse width, (b) pulse repetition rate, (c) pulse energy, and (d) pulse peak power on absorbed powers.

    Fig. 10. Dependences of (a) pulse width, (b) pulse repetition rate, (c) pulse energy, and (d) pulse peak power on absorbed powers.

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    Wavelength tunings of the Er:Y2O3 ceramic laser emissions around 2710, 2717, 2727, and 2740 nm.

    Fig. 11. Wavelength tunings of the Er:Y2O3 ceramic laser emissions around 2710, 2717, 2727, and 2740 nm.

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    • Table 1. Diode-Pumped Passively Q-Switched Mid-Infrared Solid-State Lasers Based on 2D Material Saturable Absorbers

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      Table 1. Diode-Pumped Passively Q-Switched Mid-Infrared Solid-State Lasers Based on 2D Material Saturable Absorbers

      2D MaterialLaser MaterialMax Output PowerMin Pulse WidthMax Pulse EnergyRef.
      MoS2Er:Lu2O31.03 W335 ns8.5 μJ[22]
      MoTe2Ho,Pr:LiLuF473 mW670 ns0.95 μJ[24]
      ReS2Er:SrF20.58 W508 ns12.1 μJ[25]
      BPEr:SrF2180 mW702 ns2.34 μJ[28]
      GrapheneHo, Pr:LLF88 mW937.5 ns1.6 μJ[34]
      WS2Er:Y2O3233.5 mW0.72 μs7.92 μJThis work
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    Xiaofeng Guan, Jiawei Wang, Yuzhao Zhang, Bin Xu, Zhengqian Luo, Huiying Xu, Zhiping Cai, Xiaodong Xu, Jian Zhang, Jun Xu, "Self-Q-switched and wavelength-tunable tungsten disulfide-based passively Q-switched Er:Y2O3 ceramic lasers," Photonics Res. 6, 830 (2018)

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    Paper Information

    Category: Lasers and Laser Optics

    Received: Jul. 5, 2018

    Accepted: Jul. 8, 2018

    Published Online: Aug. 1, 2018

    The Author Email: Bin Xu (xubin@xmu.edu.cn)

    DOI:10.1364/PRJ.6.000830

    Topics

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