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physics.app-ph2020
Symmetry analysis of trimer-based all-dielectric metasurfaces with toroidal dipole modes
Victor Dmitriev, Anton S. Kupriianov, Silvio Domingos Silva Santos +1
Herein, we discuss the conditions for excitation of symmetry-protected toroidal dipole modes in all-dielectric metasurfaces composed of trimer or twin-trimer clusters of dielectric…
physics.app-ph2020
THz graphene W-shaped three-port circulator with dynamical control
Victor Dmitriev, Wagner Castro, Geraldo Melo +2
We propose a new graphene-based THz circulator. It consists of a circular graphene resonator and three graphene nanoribbon waveguides of W-geometry placed on a dilectric substrate.…