Please use this identifier to cite or link to this item: http://repositorio.unicamp.br/jspui/handle/REPOSIP/59662
Type: Artigo de periódico
Title: Photonic band structure and symmetry properties of electromagnetic modes in photonic crystals
Author: Cavalcanti, SB
de Dios-Leyva, M
Reyes-Gomez, E
Oliveira, LE
Abstract: Within the Maxwell framework and using a transfer-matrix technique we have determined a general equation which governs the photonic band structure and the density of states of one-dimensional superlattices composed of two alternate layers characterized by different refractive indexes, which may take on positive as well as negative values. Besides the usual well-known results, we have found null-gap points for commensurate values of the optical path lengths of each layer. Furthermore, we have been able to characterize non-Bragg gaps that show up in frequency regions in which the average refractive index is null.
Country: EUA
Editor: American Physical Soc
Rights: aberto
Identifier DOI: 10.1103/PhysRevE.75.026607
Date Issue: 2007
Appears in Collections:Unicamp - Artigos e Outros Documentos

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