Integrated fiber Michelson interferometer based on poled hollow twin-core fiber |
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Authors: | Liu Zhihai Bo Fusen Wang Lei Tian Fengjun Yuan Libo |
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Institution: | Photonics Research Center, School of Science, Harbin Engineering University, Harbin 150001, China. zhihai@vip.sina.com |
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Abstract: | We propose an integrated fiber Michelson interferometer based on a poled hollow twin-core fiber. The Michelson interferometer can be used as an electro-optic modulator by thermal poling one core of the twin-core fiber and introducing second-order nonlinearity in the fiber. The proposed fiber Michelson interferometer is experimentally demonstrated under driving voltages at the frequency range of 149 to 1000 Hz. The half-wave voltage of the poled fiber is 135 V, and the effective second-order nonlinear coefficient χ2 is 1.23 pm/V. |
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