Nonlinear switching with a graphene coupler

Daria A. Smirnova, Andrey V. Gorbach, Ivan V. Iorsh, Ilya V. Shadrivov, and Yuri S. Kivshar
Phys. Rev. B 88, 045443 – Published 31 July 2013

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.

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  • Received 14 May 2013

DOI:https://doi.org/10.1103/PhysRevB.88.045443

©2013 American Physical Society

Authors & Affiliations

Daria A. Smirnova1, Andrey V. Gorbach2, Ivan V. Iorsh3, Ilya V. Shadrivov1, and Yuri S. Kivshar1,3

  • 1Nonlinear Physics Center, Research School of Physics and Engineering, Australian National University, Canberra ACT 0200, Australia
  • 2Centre for Photonics and Photonic Materials, Department of Physics, University of Bath, Bath BA2 7AY, United Kingdom
  • 3National Research University of Information Technologies, Mechanics and Optics (ITMO), St. Petersburg 197101, Russia

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Issue

Vol. 88, Iss. 4 — 15 July 2013

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