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Solitary Electromagnetic Waves in a Weakly Nonlinear Rhombic Waveguide Array

  • A. I. Maimistov
Article
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Abstract

Electromagnetic waves propagating along the waveguides forming a rhombic one-dimensional lattice are considered. Two waveguides that are part of the unit cell are assumed to be made of negative-index material, while the third waveguide from the same array is composed of material with a positive refractive index and has cubic nonlinearity. The equations of tunneling-coupled solitary waves spreading in each waveguide are solved. Unlike discrete solitons, the waves are localized on the axis of waveguides, and the maximum position moves uniformly along the waveguides.

Notes

ACKNOWLEDGMENTS

This work was supported by the Russian Foundation for Basic Research, project no. 18-02-00278.

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Copyright information

© Allerton Press, Inc. 2018

Authors and Affiliations

  1. 1.Moscow Engineering Physics InstituteMoscowRussia

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