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Tunable multiwavelength SOA-fiber ring laser based on Sagnac loop mirror incorporating few-mode high birefringence fiber |
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| Authors: | G Sun Y Zhou L Cui Y Chung |
| Institution: | 1.Department of Applied Physics,Shantou University,Shantou, Guangdong,People’s Republic of China;2.Department of Physics and Electronic Information Engineering,Minjiang University,Fuzhou, Fujian,People’s Republic of China;3.Department of Information and Communications,Gwangju Institute of Science and Technology,Gwangju,Korea |
| Abstract: | A tunable multiwavelength fiber ring laser based on a semiconductor optical amplifier and Sagnac loop mirror incorporating a piece of few-mode high birefringence fiber (FM-HBF) is proposed and experimentally demonstrated. It is accomplished by simply adjusting a polarization controller in the Sagnac loop mirror because birefringence of the FM-HBF is polarization dependent. Tunable multiwavelength operation up to 11 oscillating lines at about 2.1 nm interval is stably achieved with an optical side-mode suppression ratio over 35 dB. |
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