https://doi.org/10.1051/epjam/2016003
Research Article
Degenerate-band-edge engineering inspired by nonlocal transformation optics
Waves Group, Department of Engineering, University of Sannio, Corso Garibaldi 107, 82100
Benevento, Italy
* e-mail: vgaldi@unisannio.it
Received:
18
March
2016
Accepted:
30
May
2016
Published online: 5 July 2016
We address the engineering of degenerate-band-edge effects in nonlocal metamaterials. Our approach, inspired by nonlocal-transformation-optics concepts, is based on the approximation of analytically-derived nonlocal constitutive “blueprints”. We illustrate the synthesis procedure, and present and validate a possible implementation based on multilayered metamaterials featuring anisotropic constituents. We also elucidate the physical mechanisms underlying our approach and proposed configuration, and highlight the substantial differences with respect to other examples available in the topical literature.
Key words: Dispersion engineering / Optical nonlocality / Transformation optics / Degenerate band edge
© M. Moccia et al., Published by EDP Sciences, 2016
This is an Open Access article distributed under the terms of the Creative Commons Attribution License (http://creativecommons.org/licenses/by/4.0), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
