Nonlinear interfaces: intrinsically nonparaxial regimes and effects
Sánchez-Curto, J, Chamorro-Posada, P and McDonald, GS 2009, 'Nonlinear interfaces: intrinsically nonparaxial regimes and effects' , Journal of Optics A: Pure and Applied Optics, 11 (5) , 054015.
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The behaviour of optical solitons at planar nonlinear boundaries is a problem rich in intrinsically nonparaxial regimes that cannot be fully addressed by theories based on the nonlinear Schrödinger equation. For instance, large propagation angles are typically involved in external refraction at interfaces. Using a recently proposed generalized Snell's law for Helmholtz solitons, we analyse two such effects: nonlinear external refraction and total internal reflection at interfaces where internal and external refraction, respectively, would be found in the absence of nonlinearity. The solutions obtained from the full numerical integration of the nonlinear Helmholtz equation show excellent agreement with the theoretical predictions.
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|Schools:||Colleges and Schools > College of Science & Technology > School of Computing, Science and Engineering > Materials & Physics Research Centre|
|Journal or Publication Title:||Journal of Optics A: Pure and Applied Optics|
|Depositing User:||GS McDonald|
|Date Deposited:||13 Oct 2011 13:36|
|Last Modified:||13 Oct 2011 13:36|
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