4.7 Article

TaSe2-based mode-locked fiber laser with four switchable operating states

期刊

OPTICS AND LASER TECHNOLOGY
卷 138, 期 -, 页码 -

出版社

ELSEVIER SCI LTD
DOI: 10.1016/j.optlastec.2021.106924

关键词

Ultrafast fiber laser; Saturable absorber; Bright solitons; Dark solitons

资金

  1. National Natural Science Foundation of China (NSFC) [62005212]
  2. Nature Science Foundation of Shaanxi Province, China [2019JQ227, 2019JQ-868]
  3. Science Research Foundation of the Education Department of Shaanxi Province, China [19JK0804]

向作者/读者索取更多资源

The study successfully demonstrated a mode-locked fiber laser with a TaSe2-based saturable absorber, showcasing the potential of TaSe2 in bright and dark soliton fiber lasers. This research also provided a first insight into the bright and dark soliton properties of a TaSe2-based fiber laser.
Transition metal dichalcogenides (TMDs) have attracted considerable attention in electronics and photonics. Tantalum diselenides (TaSe2) as a member of TMDs has been employed for field effect transistors and all-optical switching, and its nonlinear optical response has also been investigated. However, the applications of TaSe2 in ultrafast fiber lasers have not been exploited. Here, TaSe2 deposited on D-shaped fiber is used as saturable absorber (SA) in Er-doped fiber laser, and four switchable operating states (bright solitons, dark solitons, bright-dark soliton pairs and their HML counterparts, as well as bright-dark-bright soliton pairs) are realized successfully. To the best of our knowledge, this is the first presentation of a mode-locked fiber laser with the TaSe2-based SA, and also the first study of bright and dark soliton properties of a TaSe2-based fiber laser. It is foreseeable that TaSe2 will become an appealing candidate for bright and dark soliton fiber lasers.

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