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|Type:||Artigo de periódico|
|Title:||Plasmon Polariton And N=0 Non-bragg Gaps In Superlattices With Metamaterials|
|Author:||De Carvalho C.A.A.|
|Abstract:||We consider one-dimensional photonic superlattices made up of alternate layers of a right-handed nondispersive material and a metamaterial with Drude-type dielectric permittivity and magnetic permeability. By thoroughly investigating the dispersion relation for the propagation of obliquely incident optical fields obtained from Maxwell's equations and the transfer-matrix technique, we demonstrate that, in the long-wavelength limit, the dispersion is the same that one would obtain by considering a homogeneous effective medium with Drude-type responses at shifted electric and magnetic plasmon frequencies. Moreover, we show that the plasmon polariton and n=0 non-Bragg gaps correspond to regions of the low-energy spectrum where the effective medium is absorptive, exhibiting an imaginary effective refraction index. © 2011 American Physical Society.|
|Citation:||Physical Review B - Condensed Matter And Materials Physics. , v. 83, n. 8, p. - , 2011.|
|Appears in Collections:||Unicamp - Artigos e Outros Documentos|
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