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Tunable superluminal propagation on a silicon microchip

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Abstract

We demonstrate tunable superluminal propagation in a silicon microphotonic device in a solid-state room-temperature device of tens of micrometers in dimension allowing easy integration with high-bandwidth room-temperature systems. We achieve tunable negative delays up to 85ps and effective group indices tunable between 1158 and 312.

© 2008 Optical Society of America

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