Electrically defined topological interface states of graphene surface plasmons based on a gate-tunable quantum Bragg grating

Electrically defined topological interface states of graphene surface plasmons based on a gate-tunable quantum Bragg grating

A periodic metagate is designed on top of a boron nitride-graphene heterostructure to modulate the local carrier density distribution on the monolayer graphene. This causes the bandgaps of graphene surface plasmon polaritons to emerge because of either the interaction between the plasmon modes, whic...

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Bibliographic Details
Main Authors: Fan Zhiyuan, Dutta-Gupta Shourya, Gladstone Ran, Trendafilov Simeon, Bosch Melissa, Jung Minwoo, Iyer Ganjigunte R. Swathi, Giles Alexander J., Shcherbakov Maxim, Feigelson Boris, Caldwell Joshua D., Allen Monica, Allen Jeffery, Shvets Gennady
Format: Article
Language:English
Published: De Gruyter 2019-07-01
Series:Nanophotonics
Subjects:
graphene plasmons
band topology
active metasurface
topological interface state
Online Access:https://doi.org/10.1515/nanoph-2019-0108

Internet

https://doi.org/10.1515/nanoph-2019-0108

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