Photonic band structure evolution of a honeycomb lattice in the presence of an external magnetic field | Zendy

C.A. Duque | Zendy; N. PorrasMontenegro | Zendy; S. B. Cavalcanti | Zendy; L. E. Oliveira | Zendy

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Photonic band structure evolution of a honeycomb lattice in the presence of an external magnetic field

Author(s) -

C.A. Duque,

N. PorrasMontenegro,

S. B. Cavalcanti,

L. E. Oliveira

Publication year - 2009

Publication title -

journal of applied physics

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.699

H-Index - 319

eISSN - 1089-7550

pISSN - 0021-8979

DOI - 10.1063/1.3072668

Subject(s) - photonics , photonic crystal , materials science , dielectric , condensed matter physics , magnetic field , lattice (music) , permittivity , anisotropy , electronic band structure , semiconductor , honeycomb , rod , optoelectronics , optics , physics , composite material , medicine , alternative medicine , pathology , quantum mechanics , acoustics

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 epsilon(1) and epsilon(2), and embedded in a background with permittivity epsilon(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

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