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Q: Fachverband Quantenoptik und Photonik
Q 57: Photonik I
Q 57.4: Talk
Friday, March 6, 2009, 11:15–11:30, Audi-A
Amplitude and Phase Dynamics in Silicon Compatible Waveguides with Highest Kerr-Nonlinearities — •Nicole Lindenmann1, Thomas Vallaitis1, René Bonk1, Christian Koos2, Wolfgang Freude1, and Juerg Leuthold1 — 1Institute for Photonics and Quantum Electronics , University of Karlsruhe, 76131 Karlsruhe, Germany — 2Carl Zeiss AG, Corporate Research and Technologies, 73447 Oberkochen, Germany
Hybrid integration of silicon waveguides with nonlinear organic materials is a way to enhance nonlinear optical properties of silicon-on-insulator nanophotonic devices. Highly nonlinear slot waveguides have been fabricated using deep-UV lithography, standard CMOS processing, and organic molecular beam deposition of a small molecule with a high third-order optical polarizability. The waveguides feature ultrafast Kerr-nonlinearities with nonlinear parameters of 104000 1/[W km] and without measurable impairment by two photon induced free carriers. Amplitude and phase dynamics of these waveguides have been characterized using a heterodyne pump-probe technique.