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physics.optics2013★ 57 cited
A planar hyperlens based on a modulated graphene monolayer
Ebrahim Forati, George W. Hanson, Alexander B. Yakovlev +1
The canalization of terahertz surface plasmon polaritons using a modulated graphene monolayer is investigated for subwavelength imaging. An anisotropic surface conductivity formed…
physics.optics2013★ 56 cited
Surface plasmon polaritons on soft-boundary graphene nanoribbons and their application as voltage controlled plasmonic switches and frequency demultiplexers
Ebrahim Forati, George W. Hanson
A graphene sheet gated with a ridged ground plane, creating a soft-boundary (SB) graphene nanoribbon, is considered. By adjusting the ridge parameters and bias voltage a channel ca…
physics.optics2013★ 14 cited
Soft-boundary graphene nanoribbon formed by a graphene sheet above a perturbed ground plane: conductivity profile and SPP modal current distribution
Ebrahim Forati, George W. Hanson
An infinite sheet of graphene lying above a perturbed ground plane is studied. The perturbation is a two dimensional ridge, and a bias voltage is applied between the graphene and t…