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Applied Optics

Applied Optics


  • Editor: Joseph N. Mait
  • Vol. 53, Iss. 24 — Aug. 20, 2014
  • pp: 5522–5526

Switchable and spacing-tunable dual-wavelength thulium-doped silica fiber laser based on a nonlinear amplifier loop mirror

Shuo Liu, Fengping Yan, Ting Feng, Beilei Wu, Ze Dong, and Gee-Kung Chang  »View Author Affiliations

Applied Optics, Vol. 53, Issue 24, pp. 5522-5526 (2014)

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A kind of switchable and spacing-tunable dual-wavelength thulium-doped silica fiber laser based on a nonlinear amplifier loop mirror is presented and experimentally demonstrated. By adjusting the polarization controllers (PCs), stable dual-wavelength operation is obtained at the 2 μm band. The optical signal-to-noise ratio (OSNR) is better than 56 dB. The wavelength tuning is performed by applying static strain into the fiber Bragg grating. A tuning range from 0 to 5.14 nm is achieved for the dual-wavelength spacing. By adjusting the PCs properly, the fiber laser can also operate in single-wavelength state with the OSNR for each wavelength more than 50 dB.

© 2014 Optical Society of America

OCIS Codes
(140.3070) Lasers and laser optics : Infrared and far-infrared lasers
(140.3600) Lasers and laser optics : Lasers, tunable
(060.3735) Fiber optics and optical communications : Fiber Bragg gratings
(060.3510) Fiber optics and optical communications : Lasers, fiber

ToC Category:
Fiber Optics and Optical Communications

Original Manuscript: April 24, 2014
Revised Manuscript: July 17, 2014
Manuscript Accepted: July 19, 2014
Published: August 19, 2014

Shuo Liu, Fengping Yan, Ting Feng, Beilei Wu, Ze Dong, and Gee-Kung Chang, "Switchable and spacing-tunable dual-wavelength thulium-doped silica fiber laser based on a nonlinear amplifier loop mirror," Appl. Opt. 53, 5522-5526 (2014)

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