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Slow-light photonic crystal switches and modulators

Beggs, Daryl M.; White, Thomas; Kampfrath, Tobias; Kuipers, L (Kobus); Krauss, Thomas F

Description

We discuss the performance of slow-light enhanced optical switches and modulators fabricated in silicon. The switch is based on photonic crystal waveguides in a directional coupler geometry, and the dispersion of the device is engineered to allow a switching length as short as 5 μm and rerouting of optical signals within 3 ps. The 3 ps switching time is demonstrated using free carriers in the silicon generated by the absorption of a femtosecond pump pulse. The modulator is based on a...[Show more]

CollectionsANU Research Publications
Date published: 2010
Type: Conference paper
URI: http://hdl.handle.net/1885/83982
Source: Proceedings of SPIE - The International Society for Optical Engineering
DOI: 10.1117/12.840948

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