Q-switched fiber laser based on transition metal dichalcogenides MoS(2), MoSe(2), WS(2), and WSe(2).

@article{Chen2015QswitchedFL,
  title={Q-switched fiber laser based on transition metal dichalcogenides MoS(2), MoSe(2), WS(2), and WSe(2).},
  author={Bohua Chen and Xiaoyan Zhang and Kan Wu and Hao Wang and Jun Wang and Jian-ping Chen},
  journal={Optics express},
  year={2015},
  volume={23 20},
  pages={26723-37}
}
In this paper, we report 4 different saturable absorbers based on 4 transition metal dichalcogenides (MoS(2), MoSe(2), WS(2), WSe(2)) and utilize them to Q-switch a ring-cavity fiber laser with identical cavity configuration. It is found that MoSe(2) exhibits highest modulation depth with similar preparation process among four saturable absorbers. Q-switching operation performance is compared from the aspects of RF spectrum, optical spectrum, repetition rate and pulse duration. WS(2) Q-switched… CONTINUE READING
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