Abstract
We review our work on GaAs-AlGaAs and GaInAsP-InP optical micro-ring resonators. We have demonstrated passive linear filters and wavelength multiplexers/demultiplexers. Nonlinear rings demonstrated include logic gates and time-domain demultiplexers. Active rings demonstrated include tunable filters using the quadratic electro-optic effect, and ring amplifiers and lasers. The latter, when reverse biased, become modulators by the electro-absorption effect.
© 2005 Optical Society of America
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