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4 papers · 1 filter
Designing Metasurfaces to Manipulate Antenna Radiation
James R Capers, Stephen J Boyes, Alastair P Hibbins +1
Designer manipulation of light at the nanoscale is key to several next-generation technologies, from sensing to optical computing. One way to manipulate light is to design a materi…
Designing Collective Non-local Responses of Metasurfaces
J. R. Capers, S. J. Boyes, A. P. Hibbins +1
We propose a numerically efficient `adjoint' inverse design method to optimize a planar structure of dipole scatterers, to manipulate the radiation from an electric dipole emitter.…
Generation of Flying Electromagnetic Donuts
N. Papasimakis, T. A. Raybould, V. A. Fedotov +3
Transverse electromagnetic plane waves are fundamental solutions of Maxwell's equations. It is less known that a radically different type of solutions has been described theoretica…
Toroidal optical activity
T. A. Raybould, V. A. Fedotov, N. Papasimakis +5
Optical activity is ubiquitous across natural and artificial media and is conventionally understood in terms of scattering from electric and magnetic moments. Here we demonstrate e…