We have demonstrated ultrafast switching with photonic crystals integrated into Mach−Zehnder interferometers. The nonlinearity is induced by excitation of carriers into one arm of the interferometer, and switching times as short as 3ps are achieved.
© 2009 The Optical Society
(050.0050) Diffraction and gratings : Diffraction and gratings
(230.0230) Optical devices : Optical devices
(230.1150) Optical devices : All-optical devices
(050.5298) Diffraction and gratings : Photonic crystals
D. M. Szymanski, B. D. Jones, D. O'Brien, M. S. Skolnick, J. S. Roberts, M. A. Fox, and T. F. Krauss, "Ultrafast All-Optical Switching in AlGaAs Photonic Crystal Waveguide Interferometers," in Conference on Lasers and Electro-Optics/International Quantum Electronics Conference, OSA Technical Digest (CD) (Optical Society of America, 2009), paper IThA2.
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