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The use of microring resonators to assist in the evanescent field coupling between dissimilar waveguides is proposed and analyzed. Theoretical analysis based on the coupled mode theory and nu-merical example show that complete cross power transfers can be obtained near the microring resonances. Applications of the device include power dividers, low-power thermo-optic or electro-optic switches, and modulators.
The use of microring resonators to assist in the evanescent field coupling between dissimilar waveguides is proposed and analyzed. Applications of the device include power dividers, low-power thermo-optic or electro-optic switches, and modulators.