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Optical Engineering

Switchable dual-wavelength fiber lasers based on a semiconductor optical amplifier and a polarization-maintaining fiber Bragg grating
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Paper Abstract

Switchable dual-wavelength fiber lasers with orthogonal polarizations, based on the semiconductor optical amplifier at room temperature, are proposed. One polarization-maintaining fiber Bragg grating (PMFBG) is used as the wavelength-selective filter in three different laser configurations. Owing to the polarization-dependent loss of the PMFBG, the laser can be designed to operate in stable dual-wavelength or wavelength-switching modes with a wavelength spacing of 0.336 nm at room temperature by adjusting a polarization controller in each laser configuration. The amplitude variation over nearly half an hour is less than 0.1 dB for both wavelengths in each laser configuration, which is more stable than that of erbium-doped fiber lasers with similar configuration.

Paper Details

Date Published: 1 March 2009
PDF: 7 pages
Opt. Eng. 48(3) 035001 doi: 10.1117/1.3090436
Published in: Optical Engineering Volume 48, Issue 3
Show Author Affiliations
Suchun Feng, Beijing Jiaotong Univ. (China)
Ou Xu, Beijing Jiaotong Univ. (China)
Shaohua Lu, Beijing Jiaotong Univ. (China)
Xiangqiao Mao, Beijing Jiaotong Univ. (China)
Tigang Ning, Beijing Jiaotong Univ. (China)
Shuisheng Jian, Beijing Jiaotong Univ. (China)


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