We demonstrate ultrafast optical signal processing up to bitrates of 170 Gbit/s. Silicon-on-insulator waveguides are defined by CMOS technology. In addition, an organic cladding provides either χ(3) or χ(2)-nonlinearities that are not impaired by two-photon absorption. With a proper waveguide design, the influence of two-photon absorption in silicon is greatly reduced.

© 2010 Optical Society of America

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