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  • Conference on Lasers and Electro-Optics/International Quantum Electronics Conference
  • OSA Technical Digest (CD) (Optica Publishing Group, 2009),
  • paper IMC6
  • https://doi.org/10.1364/IQEC.2009.IMC6

Ultrafast all-optical modulation in GaAs photonic crystal cavities

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Abstract

We demonstrate all-optical modulation via ultrafast optical carrier injection in a GaAs photonic crystal cavity using a degenerate pump-probe technique. The low switching(absorption) energy~120fJ(10fJ),and fast response(~15ps),limited only by carrier lifetime, suggest practical all-optical switching applications.

© 2009 Optical Society of America

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