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Ultrafast optical switching based on nonlinear polarization rotation in silicon waveguides
Jonathan Y Lee1, Lianghong Yin, Govind P Agrawal
1Department of Electrical and Computer Engineering, University of Rochester, Rochester, NY, 14627, USA.
Optics Express
|July 1, 2010
Abstract:
We experimentally realize ultrafast all-optical switching in the 1.5-microm spectral region using cross-phase modulation inside a 5-mm long silicon waveguide. Modulation depths of up to 90% and switching window durations approximately 1 ps are achieved using 500-fs pump pulses with energies below 10 pJ.
