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1.9 ps optical switching at 40 GHz repetition rate has been successfully demonstrated in submicron-size silicon wire waveguides. Ultrafast operation is achieved by induced optical absorption from two-photon absorption (TPA) process. The device requires very low energy, less than 3 pJ, to accomplish 92% of modulation depth.
Optical Communication, 2005. ECOC 2005. 31st European Conference on (Volume:6 )
Date of Conference: 25-29 Sept. 2005