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 1000Hz. The half-wave voltage of the poled fiber is 135V, and the effective second-order nonlinear coefficient χ2 is 1.23pm/V.

© 2011 Optical Society of America

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