Por favor, use este identificador para citar o enlazar este ítem: http://hdl.handle.net/10495/8631
Título : Photonic band structure evolution of a honeycomb lattice in the presence of an external magnetic field
Autor : Oliveira, Luiz Eduardo
Duque Echeverri, Carlos Alberto
Porras Montenegro, Nelson
Cavalcanti, Solange Bessa
metadata.dc.subject.*: Campos magnéticos
Física
Fotónica
Magnetic fields
Fecha de publicación : 2009
Citación : Duque Echeverri, C. A., Porras Montenegro, N., Cavalcanti, S. B., & Oliveira, L. E. (2009). Photonic band structure evolution of a honeycomb lattice in the presence of an external magnetic field. Journal Of Applied Physics. 105(3), 4303-4308. DOI:10.1063/1.3072668
Resumen : ABSTRACT: A standard plane-wave expansion technique is used to investigate the evolution of the photonic band structure of a two-dimensional honeycomb lattice composed by cylindrical shell rods with dielectric permittivities 1 and 2, and embedded in a background with permittivity 3. We have considered the effect of dispersive dielectric responses as well as the influence of an externally applied magnetic field aiming to obtain efficient tunable bandgaps. Present results suggest that a combination of a doped semiconductor constituent with an anisotropic geometry, which breaks symmetry and unfolds degeneracies, provides an efficient realization of photonic systems with tunable bandgaps.
metadata.dc.identifier.eissn: 1365-2966
ISSN : 0021-8979
metadata.dc.identifier.doi: 10.1063/1.3072668
Aparece en las colecciones: CIEN (Centro de Investigaciones en Ciencias Exactas y Naturales)

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