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Títol:	Impact of the absorption in transmittance and reflectance on macroporous silicon photonic crystals
Autor/a:	Cardador Maza, David; Vega Bru, Didac; Rodríguez Martínez, Ángel
Altres autors:	Universitat Politècnica de Catalunya. Departament d'Enginyeria Electrònica; Universitat Politècnica de Catalunya. MNT - Grup de Recerca en Micro i Nanotecnologies
Abstract:	The characteristics of reflection and transmission peaks in the spectra of photonic crystals have been studied theoretically and the results compared to measurements performed in fabricated samples. The aim of this work is to investigate the relation between material losses and the effective Q factors that can be obtained in photonic crystals made with it. Photonic crystals have been designed with defects of periodicity to introduce states in the band gap that give place to reflectance and transmittance peaks at adjustable specific wavelengths. The fabricated structures are described together with their reflection and transmission spectra. The influence of losses in the material in these spectra is evaluated.
Matèries:	-Àrees temàtiques de la UPC::Enginyeria electrònica -Àrees temàtiques de la UPC::Enginyeria de la telecomunicació::Telecomunicació òptica::Fotònica -Physical optics -Photonic crystals -absorption -electrochemical etching -extinction coefficient -macroporous silicon -photonic crystal -Q factor -Cristalls fotònics
Drets:	http://creativecommons.org/licenses/by-nc-nd/3.0/es/
Tipus de document:	Article - Versió publicada Objecte de conferència
Publicat per:	Institute of Electrical and Electronics Engineers (IEEE)
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