Please use this identifier to cite or link to this item: http://hdl.handle.net/10397/18986
Title: Tunable and switchable dual-wavelength single-longitudinal-mode erbium-doped fiber lasers
Authors: He, X
Wang, DN 
Liao, CR
Keywords: Dual-wavelength laser
fiber Bragg grating (FBG) Sagnac interferometer
fiber laser
Issue Date: 2011
Publisher: Institute of Electrical and Electronics Engineers
Source: Journal of lightwave technology, 2011, v. 29, no. 6, 5678614, p. 842-849 How to cite?
Journal: Journal of lightwave technology 
Abstract: Two types of erbium-doped fiber lasers based on Sagnac interferometer incorporated with fiber grating are proposed and experimentally demonstrated, which effectively support tunable and switchable dual-wavelength single-longitudinal-mode laser operation. The mode selection is implemented by use of the Sagnac interferometer with fiber grating, an umpumped erbium-doped fiber, and a tunable fiber Bragg grating. The Sagnac interferometer with fiber grating plays the role as a narrowband comb filter, while the unpumped erbium-doped fiber together with the tunable fiber Bragg grating essentially forms a passive self-tracking filter to ensure a stable single-longitudinal-mode fiber laser operation. By use of the Sagnac interferometer with chirped fiber Bragg grating, tunable microwave signals can be generated by beating the dual wavelengths, within the frequency range between ∼9.8 and ∼14 GHz.
URI: http://hdl.handle.net/10397/18986
ISSN: 0733-8724
EISSN: 1558-2213
DOI: 10.1109/JLT.2010.2103355
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