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Proceedings Paper

Extending the phase mismatch formalism for silicon-based wavelength converters
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Paper Abstract

We present a generic approach to determine the phase mismatch for any optical nonlinear process. When applying this approach, which is based on the evaluation of local phase changes, to Raman- and Kerr-based four-wave-mixing in silicon waveguides, we obtain a novel expression for the phase mismatch which is more accurate as compared to the conventional definition; and which contains additional contributions due to the dispersion of the four-wave-mixing processes, the so-called four-wave-mixing dispersion. By means of numerical simulations, we show that this additional dispersion has a significant impact on the evolution of the phase mismatch along the waveguide, and thus on the conversion efficiency.

Paper Details

Date Published: 10 May 2012
PDF: 10 pages
Proc. SPIE 8434, Nonlinear Optics and Applications VI, 84340A (10 May 2012); doi: 10.1117/12.921851
Show Author Affiliations
Yannick Lefevre, Vrije Univ. Brussel (Belgium)
Nathalie Vermeulen, Vrije Univ. Brussel (Belgium)
Christof Debaes, Vrije Univ. Brussel (Belgium)
Hugo Thienpont, Vrije Univ. Brussel (Belgium)

Published in SPIE Proceedings Vol. 8434:
Nonlinear Optics and Applications VI
Benjamin J. Eggleton; Alexander L. Gaeta; Neil G. Broderick, Editor(s)

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