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Optical tuning of silicon photonic structures with nematic liquid crystal claddings

Joanna Ptasinski, Sung W. Kim, Lin Pang, Iam-Choon Khoo, and Yeshaiahu Fainman

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Abstract

An analysis of and experimental demonstration of active optical tuning of silicon strip waveguides with methyl red doped nematic liquid crystal claddings is presented. Under low-power irradiation by polarized light, the reorientation of the nematic, the resulting index change, and phase shift produce a tuning range of 5.6 nm for the microresonator resonances.

© 2013 Optical Society of America

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