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  • Received: Oct. 31, 2018

    Accepted: Dec. 14, 2018

    Posted: Feb. 14, 2019

    Published Online: Feb. 14, 2019

    The Author Email: Wenjun Liu (jungliu@bupt.edu.cn), Zhiyi Wei (zywei@iphy.ac.cn)

    DOI: 10.3788/COL201917.020006

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    Mengli Liu, Yuyi Ouyang, Huanran Hou, Wenjun Liu, Zhiyi Wei. Q-switched fiber laser operating at 1.5  μm based on WTe2[J]. Chinese Optics Letters, 2019, 17(2): 020006

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  • Table 1. Performance Summary of Passively Q-switched Laser Systems Employing Different SAs

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    Table 1. Performance Summary of Passively Q-switched Laser Systems Employing Different SAs

    MeterialsModulation Depth (%)Wavelength (nm)Q-switching Threshold (mW)Repetition Rate (kHz)Pulse Duration (μs)Power (mW)SNR (dB)Energy (nJ)Ref.
    Graphene1.50.02/1539.68.310.36–41.83.893.383028.7[42]
    Bi2Se3300.2/1543.2452.6–129.5<0.05404[43]
    Bi2Te310.82/1562.9677.5–42.82.810.55--12.7[44]
    BP18.550.2/1562.87506.983–15.7813.2<1.54594.3[45]
    WS20.99--/1560.74027.2–84.81.730.343.711[46]
    MoS21.60.16/156515.56.5–277.51.754.563.2[26]
    WSe23.5--/15601404.5–49.63.91.2346.717[47]
    MoSe24.7--/1566--26.5–35.45.6524.5--825[48]
    WTe231.063.82/1531212144.7–2400.58314.075558.625This work

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