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Nonlinear effects in silicon waveguides

Korai, Umair A. and Strain, Michael J. and Glesk, Ivan (2017) Nonlinear effects in silicon waveguides. In: 8th SU2P Annual Symposium, 2017-04-05 - 2017-04-06, Heriot-Watt University.

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    Abstract

    In this work, we modelled the nonlinear effects in silicon waveguides which are crucial for many applications, including all-optical signal processing, switching, wavelength conversion. I have developed the model for ultrafast all-optical switching using split-step Fourier method and calculated the nonlinear phase shift due to the Kerr effect and including the nonlinear losses (i.e. two-photon absorption, free carrier absorption and free carrier index).