Optical fiber grating bistability |
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| Authors: | Zhang Yuancheng Song Qian |
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| Affiliation: | (1) Department of Physics, Wuhan University, 430072 Wuhan, China;(2) College of Electronic Information, Wahan University, 430072 Wuhan, China |
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| Abstract: | It is proposed that a segment of Er-doped fiber with a couple of fiber gratings on the ends may be used as a novel optical bistability device with low power and high speed. Operation and bistability threshold of device are analysed in accordance with the distributed feedback couple-mode theory and the nonlinear characteristic of Er-doped fiber. It is shown that a nanoseconds microwatts bistable operation of a centimeter device is realizable under nowaday technological condition. Supported by the National Natural Science Foundation of China Zhang Yuancheng: born in Aug. 1938. Professor |
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| Keywords: | optical bistability fiber grating Er-doped fiber |
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