Abstract

In this Letter, we theoretically propose for the first time that graphene monolayers can be used for superscatterer designs. We show that the scattering cross-section of the bare deep-subwavelength dielectric cylinder is markedly enhanced by six orders of magnitude due to the excitation of the first-order resonance of graphene plamons. By utilizing the tunability of the plasmonic resonance through tuning graphene’s chemical potential, the graphene superscatterer works in a wide range of frequencies from several terahertz to tens of terahertz.

© 2015 Optical Society of America

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