Deeply subwavelength electromagnetic Tamm states in graphene metamaterials | Zendy

Daria A. Smirnova | Zendy; Pavel Buslaev | Zendy; Ivan Iorsh | Zendy; Ilya V. Shadrivov | Zendy; Pavel A. Belov | Zendy; Yuri S. Kivshar | Zendy

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Deeply subwavelength electromagnetic Tamm states in graphene metamaterials

Author(s) -

Daria A. Smirnova,

Pavel Buslaev,

Ivan Iorsh,

Ilya V. Shadrivov,

Pavel A. Belov,

Yuri S. Kivshar

Publication year - 2014

Publication title -

physical review b

Language(s) - English

Resource type - Journals

eISSN - 1538-4489

pISSN - 1098-0121

DOI - 10.1103/physrevb.89.245414

Subject(s) - metamaterial , graphene , terahertz radiation , dielectric , condensed matter physics , electromagnetic radiation , materials science , dispersion (optics) , physics , surface states , surface (topology) , optics , optoelectronics , nanotechnology , geometry , mathematics

We study localized modes at a surface of a multilayer structure made of graphene layers separated by dielectric layers. We demonstrate the existence of deeply subwavelength surface modes that can be associated with the electromagnetic Tamm states, with the frequencies in the THz frequency range the negative group velocities. We suggest that the dispersion properties of these Tamm surface modes can be tuned by varying the thickness of a dielectric cap layer.

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