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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Editor: Joseph N. Mait
  • Vol. 49, Iss. 36 — Dec. 20, 2010
  • pp: 6855–6860

Switchable dual-wavelength single-longitudinal-mode erbium-doped fiber laser using an inverse-Gaussian apodized fiber Bragg grating filter and a low-gain semiconductor optical amplifier

Bo Lin, Swee Chuan Tjin, Han Zhang, Dingyuan Tang, Jianzhong Hao, Bo Dong, and Sheng Liang  »View Author Affiliations


Applied Optics, Vol. 49, Issue 36, pp. 6855-6860 (2010)
http://dx.doi.org/10.1364/AO.49.006855


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Abstract

We present a stable and switchable dual-wavelength erbium-doped fiber laser. In the ring cavity, an inverse-Gaussian apodized fiber Bragg grating serves as an ultranarrow dual-wavelength passband filter, a semiconductor optical amplifier biased in the low-gain regime reduces the gain competition of the two wavelengths, and a feedback fiber loop acts as a mode filter to guarantee a stable single-longitudinal-mode operation. Two lasing lines with a wavelength separation of approximately 0.1 nm are obtained experimentally. A microwave signal at 12.51 GHz is demonstrated by beating the dual wavelengths at a photodetector.

© 2010 Optical Society of America

OCIS Codes
(060.2330) Fiber optics and optical communications : Fiber optics communications
(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

History
Original Manuscript: August 24, 2010
Revised Manuscript: November 2, 2010
Manuscript Accepted: November 5, 2010
Published: December 14, 2010

Citation
Bo Lin, Swee Chuan Tjin, Han Zhang, Dingyuan Tang, Jianzhong Hao, Bo Dong, and Sheng Liang, "Switchable dual-wavelength single-longitudinal-mode erbium-doped fiber laser using an inverse-Gaussian apodized fiber Bragg grating filter and a low-gain semiconductor optical amplifier," Appl. Opt. 49, 6855-6860 (2010)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-49-36-6855

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