Fiber Optics and Optical Communication

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

[+] Author Affiliations
Suchun Feng, Ou Xu, Shaohua Lu, Xiangqiao Mao, Tigang Ning, Shuisheng Jian

Beijing Jiaotong University, Institute of Lightwave Technology, Key Lab of All Optical Network & Advanced Telecommunication Network of EMC Beijing 100044 China

Opt. Eng. 48(3), 035001 (March 23, 2009). doi:10.1117/1.3090436
History: Received August 05, 2008; Revised December 21, 2008; Accepted January 18, 2009; Published March 23, 2009
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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 0.336nm at room temperature by adjusting a polarization controller in each laser configuration. The amplitude variation over nearly half an hour is less than 0.1dB for both wavelengths in each laser configuration, which is more stable than that of erbium-doped fiber lasers with similar configuration.

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© 2009 Society of Photo-Optical Instrumentation Engineers

Citation

Suchun Feng ; Ou Xu ; Shaohua Lu ; Xiangqiao Mao ; Tigang Ning, et al.
"Switchable dual-wavelength fiber lasers based on a semiconductor optical amplifier and a polarization-maintaining fiber Bragg grating", Opt. Eng. 48(3), 035001 (March 23, 2009). ; http://dx.doi.org/10.1117/1.3090436


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