Dual-Wavelength Single-Longitudinal-Mode Tm-Doped Fiber Laser Using PM-CMFBG

Fengping Yan, Wanjing Peng, Shuo Liu, Ting Feng, Ze Dong, Gee Kung Chang

Research output: Contribution to journalArticlepeer-review

38 Citations (Scopus)

Abstract

We have demonstrated a dual-wavelength thulium-doped fiber laser with single-longitudinal-mode (SLM) operation at ∼2-μm region. A polarization-maintaining chirped Moiré fiber Bragg grating was employed as a polarization-dependent narrow-band filter, to suppress multilongitudinal-mode oscillation. Single-and dual-wavelength switchable operation was achieved by simply adjusting the polarization controller. We also showed that the laser lines retained SLM operation with the additional benefit of single polarization. Meanwhile, the dependence of each laser wavelength on the pump power was also investigated in detail.

Original languageEnglish
Article number7052293
Pages (from-to)951-954
Number of pages4
JournalIEEE Photonics Technology Letters
Volume27
Issue number9
DOIs
Publication statusPublished - 1 May 2015
Externally publishedYes

Keywords

  • Fiber gratings
  • dual-wavelength
  • fiber lasers
  • single-longitudinal-mode

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