Nonlinear coupling in graphene-coated nanowires | Zendy

Yixiao Gao | Zendy; Ilya V. Shadrivov | Zendy

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Nonlinear coupling in graphene-coated nanowires

Author(s) -

Yixiao Gao,

Ilya V. Shadrivov

Publication year - 2016

Publication title -

scientific reports

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.24

H-Index - 213

ISSN - 2045-2322

DOI - 10.1038/srep38924

Subject(s) - graphene , nonlinear system , nanowire , plasmon , electronic circuit , materials science , reciprocity (cultural anthropology) , lorentz transformation , coupling (piping) , condensed matter physics , nanotechnology , optoelectronics , topology (electrical circuits) , physics , quantum mechanics , mathematics , composite material , psychology , social psychology , combinatorics

We propose and analyze nonlinear coupler based on a pair of single mode graphene-coated nanowires. Nonlinear wave interactions in such structure are analyzed by the coupled mode equations derived from the unconjugated Lorentz reciprocity theorem. We show that the routing of plasmons in the proposed structure can be controlled by the input power due to the third order nonlinear response of graphene layer. Our findings show that graphene nonlinearity can be exploited in tunable nanoplasmonic circuits based on low-loss, edgeless cylindrical graphene waveguides.

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