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Optical Engineering

Wavelength switchable single-longitudinal-mode fiber laser with two π phase-shifted chirped fiber Bragg grating as a narrow linewidth filter
Author(s): Junqiang Sun; Jinlin Chen; Yanxia Huang; Hong Li; Chao Jiang
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Paper Abstract

A wavelength switchable single-longitudinal-mode erbium-doped fiber laser is experimentally demonstrated, in which a novel two π phase-shifted chirped fiber Bragg grating serves as the dual-channel narrow-linewidth filter, and a switch module consisting of three bandpass filters and a variable optical attenuator is used to control the laser behaviors of single- and dual-wavelength lasing. A stable dual-wavelength single-longitudinal-mode oscillation with 8-nm wavelength spacing is also realized and verified. The results provide a potential possibility to generate continuous terahertz waves optically.

Paper Details

Date Published: 1 September 2010
PDF: 4 pages
Opt. Eng. 49(9) 091007 doi: 10.1117/1.3484947
Published in: Optical Engineering Volume 49, Issue 9
Show Author Affiliations
Junqiang Sun, Huazhong Univ. of Science and Technology (China)
Jinlin Chen, Huazhong Univ. of Science and Technology (China)
Yanxia Huang, Hubei Normal Univ. (China)
Hong Li, Hubei Normal Univ. (China)
Chao Jiang, Hubei Normal Univ. (China)


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