Bi-directional dual-wavelength Brillouin lasing in a hybrid fiber ring cavity |
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Authors: | Yan Huang Xue Feng Yidong Huang Jiangde Peng |
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Institution: | Electronic Engineering Department, State Key Lab. on Integrated Opto-electronics, Beijing 100084, China |
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Abstract: | In this paper, a novel Brillouin fiber laser (BFL) is proposed based on the hybrid fiber ring cavity composed of two types of fibers with different Brillouin shifts. Single mode fiber (SMF) and truewave fiber (TWF) are used in our experiments. Bi-directional dual-wavelength Brillouin lasing is achieved in the hybrid fiber ring cavity. The lasing lights along the two directions come from the Stokes waves generated in the two fibers, respectively, with different Brillouin shifts, however, they share the same fiber ring cavity. The BFL based on the hybrid fiber ring cavity provides a simple possible way to realize Brillouin fiber optical gyroscopes (BFOGs) without lock-in effect. |
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Keywords: | Brillouin fiber laser Hybrid cavity Dual wavelength Bi-directional lasing Fiber optical gyroscopes Lock-in |
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