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  • Title: Tuning of silicon-on-insulator ring resonators with liquid crystal cladding using the longitudinal field component.
    Author: De Cort W, Beeckman J, James R, Fernández FA, Baets R, Neyts K.
    Journal: Opt Lett; 2009 Jul 01; 34(13):2054-6. PubMed ID: 19571997.
    Abstract:
    We show tuning of the resonance wavelength of silicon-on-insulator microring resonators with liquid crystal cladding. The electro-optic effect of the liquid crystal causes a decrease in effective refractive index for the TE-polarized light in the waveguides. Tuning of the liquid crystal birefringence affects primarily the longitudinal component of the electric field. We achieve a tuning range of 0.6 nm. Through simulation and experiment we perform a thorough study of this phenomenon.
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