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Proceedings Paper

Simulating the focusing of light onto 1D nanostructures with a B-spline modal method
Author(s): P. Bouchon; P. Chevalier; S. Héron; F. Pardo; J.-L. Pelouard; R. Haïdar
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Paper Abstract

Focusing the light onto nanostructures thanks to spherical lenses is a first step to enhance the field, and is widely used in applications, in particular for enhancing non-linear effects like the second harmonic generation. Nonetheless, the electromagnetic response of such nanostructures, which have subwavelength patterns, to a focused beam can not be described by the simple ray tracing formalism. Here, we present a method to compute the response to a focused beam, based on the B-spline modal method. The simulation of a gaussian focused beam is obtained thanks to a truncated decomposition on plane waves computed on a single period, which limits the computation burden.

Paper Details

Date Published: 16 March 2015
PDF: 7 pages
Proc. SPIE 9357, Physics and Simulation of Optoelectronic Devices XXIII, 935715 (16 March 2015); doi: 10.1117/12.2078342
Show Author Affiliations
P. Bouchon, ONERA (France)
P. Chevalier, ONERA (France)
Lab. de Photonique et de Nanostructures, CNRS (France)
S. Héron, ONERA (France)
Lab. de Photonique et de Nanostructures, CNRS (France)
F. Pardo, Lab. de Photonique et de Nanostructures, CNRS (France)
J.-L. Pelouard, Lab. de Photonique et de Nanostructures, CNRS (France)
R. Haïdar, ONERA (France)


Published in SPIE Proceedings Vol. 9357:
Physics and Simulation of Optoelectronic Devices XXIII
Bernd Witzigmann; Marek Osiński; Fritz Henneberger; Yasuhiko Arakawa, Editor(s)

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