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Tin selenide nanosheets as saturable absorber for broadband NIR high repetition rate pulsed lasers

  • Yanan Li
  • , Xiaoyue Feng
  • , Feng Li
  • , Jiahao Dong
  • , Qianqian Hao
  • , Jingjing Liu*
  • , Danhua Liu
  • , Jie Liu
  • , Han Zhang
  • *Corresponding author for this work
  • Shandong Normal University
  • Shenzhen University

Research output: Contribution to journalArticlepeer-review

Abstract

Improving the overall performance of saturable absorbers based on traditional materials is critically important for the application of broadband near-infrared region (NIR) pulsed lasers. Herein, we have successfully produced a controllable ultra-thin tin-selenide nanosheets (SnSe NSs), the saturable absorption properties at region of 1.0 µm and 1.3 µm were characterized with the modulation depth of 26.65 % and 25.16 %, respectively. To our knowledge, this was the first appearance of saturated absorbe (SA) based on the SnSe-NSs in NIR pulsed bulk lasers. High repetition rates of 209 kHz at 1.0 µm and 240.3 kHz at 1.3 µm were achieved, respectively. The experiment indicate that SnSe-NSs can be a fresh way to obtain high repetition rate broadband pulsed lasers.

Original languageEnglish
Article number104971
JournalInfrared Physics and Technology
Volume135
DOIs
StatePublished - Dec 2023
Externally publishedYes

Keywords

  • Broadband nonlinear optical response
  • Near-infrared lasers
  • Passively Q-switched
  • SnSe nanosheets

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