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physics.optics2019
Penetration depth reduction with plasmonic metafilms
Nathan Z. Zhao, Ian A. D. Williamson, Zhexin Zhao +2
In many optical systems, including metal films, dielectric reflectors, and photonic crystals, electromagnetic waves can experience evanescent decay. The spatial length scale of suc…
physics.optics2018
High reflection from a one-dimensional array of graphene nanoribbons
Nathan Zhao, Zhexin Zhao, Ian Williamson +3
We show that up to 90% reflectivity can be achieved by using guided plasmonic resonances in a one-dimensional periodic array of plasmonic nanoribbon. In general, to achieve strong…