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Applied Optics

Applied Optics


  • Editor: Joseph N. Mait
  • Vol. 48, Iss. 18 — Jun. 20, 2009
  • pp: 3455–3459

Single- and dual-wavelength switchable erbium-doped fiber ring laser based on intracavity polarization selective tilted fiber gratings

Chengbo Mou, Pouneh Saffari, Hongyan Fu, Kaiming Zhou, Lin Zhang, and Ian Bennion  »View Author Affiliations

Applied Optics, Vol. 48, Issue 18, pp. 3455-3459 (2009)

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We propose and demonstrate a single- and dual-wavelength switchable erbium-doped fiber laser (EDFL) by utilizing intracavity polarization selective filters based on tilted fiber gratings (TFGs). In the cavity, one 45 ° TFG functions as an in-fiber polarizer and the other 77 ° TFG is used as a fiber polarization dependent loss (PDL) filter. The combined polarization effect from these two TFGs enables the laser to switch between the single- and the dual-wavelength operation with a single-polarization state at room temperature. The laser output at each wavelength shows an optical signal-to-noise ratio (OSNR) of > 60 dB , a side mode suppression ratio (SMSR) of > 50 dB , and a polarization extinction ratio of 35 dB . The proposed EDFL can give stable output under laboratory conditions.

© 2009 Optical Society of America

OCIS Codes
(060.2410) Fiber optics and optical communications : Fibers, erbium
(140.3500) Lasers and laser optics : Lasers, erbium
(140.3510) Lasers and laser optics : Lasers, fiber
(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: March 13, 2009
Revised Manuscript: May 11, 2009
Manuscript Accepted: May 21, 2009
Published: June 11, 2009

Chengbo Mou, Pouneh Saffari, Hongyan Fu, Kaiming Zhou, Lin Zhang, and Ian Bennion, "Single- and dual-wavelength switchable erbium-doped fiber ring laser based on intracavity polarization selective tilted fiber gratings," Appl. Opt. 48, 3455-3459 (2009)

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