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Many-body subradiant excitations in metamaterial arrays: Experiment and theory
Stewart D. Jenkins, Janne Ruostekoski, Nikitas Papasimakis +2
Subradiant excitations, originally predicted by Dicke, have posed a long-standing challenge in physics owing to their weak radiative coupling to environment. Here we engineer massi…
Spontaneous natural optical activity in disordered media
F. A. Pinheiro, V. A. Fedotov, N. Papasimakis +1
We demonstrate natural optical activity in disordered ensembles of non-chiral plasmonic resonators. We show that the statistical distributions of rotatory power and spatial dichroi…
Plasmonic absorption properties of bimetallic metamaterials
Evangelos Atmatzakis, Nikitas Papasimakis, Nikolay I. Zheludev
We demonstrate polarization controlled absorption in plasmonic bimetallic metamaterials. We fabricate and experimentally characterize Au/Ni ring resonator arrays, where by varying…
Magneto-optical response in bimetallic metamaterials
Evangelos Atmatzakis, Nikitas Papasimakis, Vassili Fedotov +2
We demonstrate resonant Faraday polarization rotation in plasmonic arrays of bimetallic nano-ring resonators consisting of Au and Ni sections. This metamaterial design allows to op…