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Generation of 35-nJ nanosecond pulse from a passively mode-locked Tm, ho-codoped fiber laser with graphene saturable absorber

  • Bo Fu
  • , Lili Gui
  • , Xiao Li
  • , Xiaosheng Xiao
  • , Hongwei Zhu
  • , Changxi Yang
  • Tsinghua University

Research output: Contribution to journalArticlepeer-review

Abstract

We report a passively mode-locked thulium, holmium-codoped fiber laser with graphene saturable absorber. Stable nanosecond pulse with output pulse energy up to 35 nJ is obtained at the repetition rate of 0.964 MHz. The tunable output spectral range is from 1897.69 to 1930.27 nm by simply changing the pump power. Higher output pulse energy is promising but limited by the damage threshold of the fiber component.

Original languageEnglish
Article number6517879
Pages (from-to)1447-1449
Number of pages3
JournalIEEE Photonics Technology Letters
Volume25
Issue number15
DOIs
StatePublished - 2013
Externally publishedYes

Keywords

  • Graphene saturable absorber
  • mode-locked fiber laser
  • thulium doped fiber

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