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Physical origin of the high energy optical response of three-dimensional photonic crystals

AuthorsDorado, Luis A.; Depine, Ricardo A.; Lozano, Gabriel ; Míguez, Hernán
Issue Date2007
PublisherOptical Society of America
CitationOptics Express 15: 17754- 17760 (2007)
AbstractThe physical origin of the optical response observed in three-dimensional photonic crystals when the photon wavelength is equal or lower than the lattice parameter still remains unsatisfactorily explained and is the subject of an intense and interesting debate. Herein we demonstrate for the first time that all optical spectra features in this high energy region of photonic crystals arise from electromagnetic resonances within the ordered array, modified by the interplay between these resonances with the opening of diffraction channels, the presence of imperfections and finite size effects. AU these four phenomena are taken into account in our theoretical approach to the problem, which allows us to provide a full description of the observed optical response based on fundamental phenomena as well as to attain fair fittings of experimental results. © 2007 Optical Society of America.
Identifiersdoi: 10.1364/OE.15.017754
issn: 1094-4087
Appears in Collections:(ICMS) Artículos
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