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Electromagnetic chirality induced by graphene inclusions in multilayered metamaterials (Articolo in rivista)

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Electromagnetic chirality induced by graphene inclusions in multilayered metamaterials (Articolo in rivista) (literal)

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Carlo Rizza, Elia Palange, and Alessandro Ciattoni (2014)
Electromagnetic chirality induced by graphene inclusions in multilayered metamaterials
in Photonics Research; Optical Society of America, Washington (Stati Uniti d'America); Chinese Laser Press (CLP), Shangai (Cina)
(literal)

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Dipartimento di Scienza e Alta Tecnologia, Università dell'Insubria, via Valleggio 11, 22100 Como, Italy Consiglio Nazionale delle Ricerche, CNR-SPIN, 67100 Coppito L'Aquila, Italy Dipartimento di Scienze fisiche e chimiche, Università di L'Aquila, via Vetoio, 67100 Coppito L'Aquila, Italy (literal)

Titolo

Electromagnetic chirality induced by graphene inclusions in multilayered metamaterials (literal)

Abstract

We theoretically investigate the electromagnetic response of a novel class of multilayered metamaterials obtained by alternating graphene sheets and dielectric layers, the whole structure not exhibiting a plane of reflection symmetry along the stacking direction. We show that the electromagnetic response of the structure is characterized by a magneto-electric coupling described by an effective chiral parameter. Exploiting the intrinsic tunability of graphene-light coupling, we prove that one can tune both the dielectric and the chiral electromagnetic response by varying the graphene chemical potential through external voltage gating. (literal)

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