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Ultrafast Optical Switching in Amorphous Silicon Microring Resonators

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Abstract

We demonstrate Kerr-effect-based optical switching of amorphous Si microring resonators with full-width-at-half-maximum switching times of 14.8 ps at 1550 nm; low two-photon absorption reduces the creation of free carriers which would inhibit fast switching.

© 2013 Optical Society of America

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