Nonlinear response of a gallium phosphide nanopatterned photonic waveguide in the CW regime

Weilin Xie*, Aude Martin, Gregoire Beaudoin, Isabelle Sagnes, Fabien Bretenaker, Sylvain Combrié, Fabrice Raineri, Alfredo de Rossi

*Corresponding author for this work

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Abstract

The third-order Kerr nonlinear response in gallium phosphide nanoscale waveguides is measured through continuous-wave (CW) four-wave mixing. The extracted nonlinear coefficient ranges from about 800 W−1 m−1 to 1400 W−1 m−1, consistently with an estimated material nonlinearity n2 3.5 × 10−18 W−1 m2. The roles of the residual absorption and the related thermal effects are discussed.

Original languageEnglish
Pages (from-to)2823-2826
Number of pages4
JournalOptics Letters
Volume44
Issue number11
DOIs
Publication statusPublished - 1 Jun 2019

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Xie, W., Martin, A., Beaudoin, G., Sagnes, I., Bretenaker, F., Combrié, S., Raineri, F., & de Rossi, A. (2019). Nonlinear response of a gallium phosphide nanopatterned photonic waveguide in the CW regime. Optics Letters, 44(11), 2823-2826. https://doi.org/10.1364/OL.44.002823