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Proceedings Paper

Fourier modal method for crossed gratings with Kerr-type nonlinearity
Author(s): Subhajit Bej; Jani Tervo; Jari Turunen; Yuri P. Svirko
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Paper Abstract

We introduce a numerically feasible method for rigorous modeling of crossed diffraction gratings with isotropic third order nonlinear materials. The approach is based on an iterative solution of the crossed grating problem with anisotropic linear materials. Several numerical experiments are performed to demonstrate the versatility and numerical stability of our computation scheme. Resonance waveguide gratings made of isotropic cubic nonlinear materials are investigated numerically using this newly developed technique. A polarization-sensitive shift of resonance peak with variation of light intensity is numerically demonstrated.

Paper Details

Date Published: 1 May 2014
PDF: 9 pages
Proc. SPIE 9131, Optical Modelling and Design III, 913116 (1 May 2014); doi: 10.1117/12.2051744
Show Author Affiliations
Subhajit Bej, Univ. of Eastern Finland (Finland)
Jani Tervo, Univ. of Eastern Finland (Finland)
Jari Turunen, Univ. of Eastern Finland (Finland)
Yuri P. Svirko, Univ. of Eastern Finland (Finland)


Published in SPIE Proceedings Vol. 9131:
Optical Modelling and Design III
Frank Wyrowski; John T. Sheridan; Jani Tervo; Youri Meuret, Editor(s)

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