Degenerate-band-edge engineering inspired by nonlocal transformation optics
Waves Group, Department of Engineering, University of Sannio, Corso Garibaldi 107, 82100
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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
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