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We review our recent progress on silicon photonic switches based on electro-optic dualring assisted MZI switch elements. The ring resonances are aligned using thermal tuning to set the initial switching state. Nano-second switching is realized upon free-carrier injection with PIN diodes in the ring resonators.
Microring resonators are basic building blocks for a variety of functions such as modulators, switches, buffers, and filters. Active tuning of resonators and external coupling are widely used to change the resonance properties. In this lecture, we will present the basic elementary switch devices and the NxN switching fabric made of various types of silicon active microring resonators. An elementary...
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