Multi-wavelength 2-micron cladding pumped thulium - Ytterbium co-doped fiber laser using broad band fiber reflector

I. M. Babar, M. Yasin, S. W. Harun, Z. Jusoh, S. Das, M. C. Paul

Research output: Contribution to journalArticlepeer-review

2 Citations (Scopus)

Abstract

A new multi-wavelength Thulium-Ytterbium co-doped fiber (TYDF) laser with an all fiber linear cavity operating at 2μm is presented. A broadband fiber reflector (BBFR) is employed along with Fresnel reflection from the output ferrule to oscillate light within the cavity to produce an intense laser. The multiple energy states in the ground state of Tm3+ ions due to stark splitting produces a broad spectrum which is converted into multi-wavelength spectra because of photo-darkening effect. The reason for photo-darkening is the existence of color centres within the Thulium- Ytterbium co-doped silica fiber.

Original languageEnglish
Pages (from-to)247-254
Number of pages8
JournalNonlinear Optics Quantum Optics
Volume48
Issue number3
Publication statusPublished - 2017

Keywords

  • 2 μm fibre lasers
  • Cladding pumping knowledgement
  • Multi-wavelength generation
  • Thulium/ytterbium co-doped fibres

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