Single-polarization noise-like pulse generation from a hybrid mode-locked thulium-doped fiber laser

Shuo Liu, Feng Ping Yan, Ting Feng, Lu Na Zhang, Zhuo Ya Bai, Hong Zhou, Yafei Hou, Ning Zhang

Research output: Contribution to journalArticlepeer-review

8 Citations (Scopus)

Abstract

A hybrid mode-locked thulium-doped fiber laser incorporating a nonlinear optical loop mirror and a nonlinear polarization rotation effect is proposed in the 2 μm band for the first time. By adjusting two polarization controllers, a stable single-polarization noise-like (SPNL) pulse operation is obtained. The SPNL pulse could work steadily for at least 400 min. At a launched pump power of 3.52 W, the hybrid mode-locked SPNL pulse centers at 2007 nm with an optical full width at half maximum of 20 nm, a polarization extinction ratio of 26.3 dB, a coherence spike width of 258 fs and a pulse energy of 42.11 nJ, respectively.

Original languageEnglish
Article number045505
JournalJournal of Optics (United Kingdom)
Volume19
Issue number4
DOIs
Publication statusPublished - Apr 2017
Externally publishedYes

Keywords

  • fiber nonlinear optics
  • infrared lasers
  • mode-locked lasers
  • ultrafast lasers

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Atomic and Molecular Physics, and Optics

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