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Transformation optics approach to singular metasurfaces

Fan Yang, Paloma A. Huidobro, and J. B. Pendry
Phys. Rev. B 98, 125409 – Published 14 September 2018

Abstract

Surface plasmons dominate the optical response of metal surfaces, and their nature is controlled by surface geometry. Here we study metasurfaces containing singularities in the form of sharp edges and characterized by three quantum numbers despite the two-dimensional nature of the surface. We explore the nature of the plasmonic excitations, their ability to generate large concentrations of optical energy, and the transition from the discrete excitation spectrum of a nonsingular surface to the continuous spectrum of a singular metasurface.

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  • Received 22 June 2018

DOI:https://doi.org/10.1103/PhysRevB.98.125409

©2018 American Physical Society

Physics Subject Headings (PhySH)

Condensed Matter, Materials & Applied Physics

Authors & Affiliations

Fan Yang*, Paloma A. Huidobro, and J. B. Pendry

  • The Blackett Laboratory, Department of Physics, Imperial College London, London SW7 2AZ, United Kingdom

  • *f.yang16@imperial.ac.uk

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Issue

Vol. 98, Iss. 12 — 15 September 2018

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