Nonlinear switching with a graphene coupler

Daria A. Smirnova, Andrey V. Gorbach, Ivan V. Iorsh, Ilya V. Shadrivov, Yuri S. Kivshar

Research output: Contribution to journalArticle

65 Citations (Scopus)
136 Downloads (Pure)

Abstract

We study nonlinear propagation of electromagnetic waves in two closely spaced graphene layers and demonstrate that this double-layer graphene waveguide can operate as an efficient nonlinear optical coupler for both continuous plasmons and for subwavelength spatial optical plasmon solitons. We analyze the nonlinearity-induced effects of light localization and symmetry breaking in such a graphene coupler, and predict that the interlayer power-dependent coupling provides a mechanism for optical beam control and manipulation at realistic input power levels.
Original languageEnglish
Article number045443
JournalPhysical Review B
Volume88
Issue number4
DOIs
Publication statusPublished - 2013

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