An All-fiber 2-μm wavelength-tunable mode-locked laser

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57 Scopus citations


We report an all-fiber thulium-doped wavelength-tunable mode-locked laser operating near 2 μm. Reliable self-starting mode locking over a large tuning range (>50 nm) using a fiber-taper-based carbon nanotube saturable absorber is observed. Spectral tuning is achieved by stretching another fiber taper. To the best of our knowledge, this is the first demonstration of an all-fiber wavelength tunable mode-locked laser near 2 μm.

Original languageEnglish (US)
Article number5582205
Pages (from-to)1656-1658
Number of pages3
JournalIEEE Photonics Technology Letters
Issue number22
StatePublished - 2010


  • Midinfrared
  • mode-locking
  • saturable absorber (SA)
  • tunable

ASJC Scopus subject areas

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


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