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Type: Artigo de periódico
Title: Band gap of hexagonal 2D photonic crystals with elliptical holes recorded by interference lithography
Author: Quinonez, F
Menezes, JW
Cescato, L
Rodriguez-Esquerre, VF
Hernandez-Figueroa, H
Mansano, RD
Abstract: Two-dimensional hexagonal photonic crystals can be recorded using the simple superimposition of two interference patterns rotated by 60 degrees. Such process generates high contrast masks, however, it generates elliptical cross section structures instead of cylinders. We study the PBG properties of the experimentally feasible geometries, using this technique and we demonstrate that the effect of this asymmetric shape is a reduction in the PBG map area, for TE polarization, in comparison with cylindrical structures. On the other hand, it appears a PBG for TM polarization. (c) 2006 Optical Society of America.
Country: EUA
Editor: Optical Soc Amer
Rights: aberto
Identifier DOI: 10.1364/OE.14.004873
Date Issue: 2006
Appears in Collections:Artigos e Materiais de Revistas Científicas - Unicamp

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