High power Q-switched thulium doped fibre laser using carbon nanotube polymer composite saturable absorber

Maria Chernysheva*, Chengbo Mou, Raz Arif, Mohammed Al Araimi, Mark Rummeli, Sergei Turitsyn, Aleksey Rozhin

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

Abstract

We have proposed and demonstrated a Q-switched Thulium doped bre laser (TDFL) with a ‘Yin-Yang’ all- bre cavity scheme based on a combination of nonlinear optical loop mirror (NOLM) and nonlinear ampli ed loop mirror (NALM). Unidirectional lasing operation has been achieved without any intracavity isolator. By using a carbon nanotube polymer composite based saturable absorber (SA),
we demonstrated the laser output power of ~197 mW and pulse energy of 1.7 μJ. To the best of our knowledge, this is the highest output power from a nanotube polymer composite SA based Q-switched Thulium doped bre laser.
Original languageEnglish
Article number24220
Number of pages10
JournalScientific Reports
Volume6
DOIs
Publication statusPublished - 11 Apr 2016

Bibliographical note

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Keywords

  • fibre lasers
  • ultrafast lasers

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