Self-similar non-Bragg band gaps in fractal metamaterial multilayers

Juan A. Monsoriu; Ricardo A. Depine; Enrique Silvestre; Pedro Andrés

doi:10.1117/12.722872

4 May 2007 Self-similar non-Bragg band gaps in fractal metamaterial multilayers

Juan A. Monsoriu, Ricardo A. Depine, Enrique Silvestre, Pedro Andrés

Proceedings Volume 6581, Metamaterials II; 658114 (2007) https://doi.org/10.1117/12.722872
Event: International Congress on Optics and Optoelectronics, 2007, Prague, Czech Republic

Abstract

We investigate the appearence of non-Bragg band gaps in 1D fractal photonic structures, specifically the Cantor-like lattices combining ordinary positive index materials and dispersive metamaterials. It is shown that these structures can exibit two new type of photonic band gaps with self-similarity properties around the frequencies where either the magnetic permeability or the electric permittivity of the metamaterial is zero. In constrast with the usual Bragg gaps, these band gaps are not based on any interference mechanisms. Accordingly, they remain invariant to scaling or disorder. Some other particular features of these polarization-selective gaps are outline and the impact on the light spectrum produced by the level of generation of the fractal structure is analyzed.

Citation Download Citation

Juan A. Monsoriu, Ricardo A. Depine, Enrique Silvestre, and Pedro Andrés "Self-similar non-Bragg band gaps in fractal metamaterial multilayers", Proc. SPIE 6581, Metamaterials II, 658114 (4 May 2007); https://doi.org/10.1117/12.722872

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