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Q-Switched Erbium-doped Fiber Laser Based on ZrS2 as Saturable Absorber

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摘要

A passively Q-switched erbium-doped fiber laser is proposed and demonstrated utilizing a Zirconium Disulfide (ZrS2)-based saturable absorber. ZrS2 nanosheets are prepared whose modulation depth, saturation intensity and nonsaturable absorbance are measured to be 14.7%, 0.34 MW/cm2 and 17.4%, respectively. Then, a Q-switched EDF laser is implemented by the ZrS2-SA. The pulse repetition rate varies from 40.65 kHz to 87.1 kHz when the pump power changes from 55 mW to 345 mW. The shortest pulse width is 1.49 μs with pulse energy of 33.5 nJ. As far as we know, this is the shortest pulse width obtained by ZrS2-SA so far.

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作者单位:

    Shandong University of Technology
    Shandong University of Technology

引用该论文

Liu xiaojuan,Hu Ping,Huang Yan,Liu Fangfang,Liu Ying,Guo Liping,Ge Xiaolu. Q-Switched Erbium-doped Fiber Laser Based on ZrS2 as Saturable Absorber[J].Chinese Optics Letters,2019,17(8):08.