WS2 mode-locked ultrafast fiber laser

  title={WS2 mode-locked ultrafast fiber laser},
  author={Dong Mao and Yadong Wang and Chaojie Ma and Lei Han and Biqiang Jiang and Xuetao Gan and Shijia Hua and Wending Zhang and Ting Mei and J. G. Zhao},
  booktitle={Scientific reports},
Graphene-like two dimensional materials, such as WS2 and MoS2, are highly anisotropic layered compounds that have attracted growing interest from basic research to practical applications. Similar with MoS2, few-layer WS2 has remarkable physical properties. Here, we demonstrate for the first time that WS2 nanosheets exhibit ultrafast nonlinear saturable absorption property and high optical damage threshold. Soliton mode-locking operations are achieved separately in an erbium-doped fiber laser… CONTINUE READING
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