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Optics Express

Optics Express

  • Editor: C. Martijn de Sterke
  • Vol. 17, Iss. 24 — Nov. 23, 2009
  • pp: 21773–21781

A tunable and switchable single-longitudinal-mode dual-wavelength fiber laser with a simple linear cavity

Xiaoying He, Xia Fang, Changrui Liao, D. N. Wang, and Junqiang Sun  »View Author Affiliations

Optics Express, Vol. 17, Issue 24, pp. 21773-21781 (2009)

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A simple linear cavity erbium-doped fiber laser based on a Fabry-Perot filter which consists of a pair of fiber Bragg gratings is proposed for tunable and switchable single-longitudinal-mode dual-wavelength operation. The single-longitudinal-mode is obtained by the saturable absorption of an unpumed erbium-doped fiber together with a narrow-band fiber Bragg grating. Under the high pump power (>166mW) condition, the stable dual-wavelength oscillation with uniform amplitude can be realized by carefully adjusting the polarization controller in the cavity. Wavelength selection and switching are achieved by tuning the narrow-band fiber Bragg grating in the system. The spacing of the dual-wavelength can be selected at 0.20nm (~ 25.62GHz), 0.22nm (~ 28.19GHz) and 0.54nm (~ 69.19GHz).

© 2009 OSA

OCIS Codes
(000.0000) General : General
(000.2700) General : General science

ToC Category:
Lasers and Laser Optics

Original Manuscript: September 25, 2009
Revised Manuscript: November 6, 2009
Manuscript Accepted: November 8, 2009
Published: November 12, 2009

Xiaoying He, Xia Fang, Changrui Liao, D. N. Wang, and Junqiang Sun, "A tunable and switchable single-longitudinal-mode dual-wavelength fiber laser with a simple linear cavity," Opt. Express 17, 21773-21781 (2009)

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