Ultranarrow dual-transmission-band fiber Bragg grating filter and its application in a dual-wavelength single-longitudinal-mode fiber ring laser |
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| Authors: | Chen Xiangfei Yao Jianping Deng Zhichao |
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| Institution: | Microwave Photonics Research Laboratory, School of Information Technology and Engineering, University of Ottawa, Ottawa, Ontario K1N 6N5, Canada. |
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| Abstract: | A fiber Bragg grating filter with ultranarrow dual-transmission bands implemented using the equivalent phase shift technique is demonstrated. A fiber ring laser that incorporates a dual-transmission-band fiber Bragg grating filter in the ring cavity is implemented. Dual-wavelength single-longitudinal-mode lasing with a wavelength spacing as small as 0.147 nm at room temperature is experimentally demonstrated. |
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