Soliton nanoantennas in two-dimensional arrays of quantum dots

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Abstract

We consider two-dimensional (2D) arrays of self-organized semiconductor quantum dots (QDs) strongly interacting with electromagnetic field in the regime of Rabi oscillations. The QD array built of two-level states is modelled by two coupled systems of discrete nonlinear Schrödinger equations. Localized modes in the form of single-peaked fundamental and vortical stationary Rabi solitons and self-trapped breathers have been found. The results for the stability, mobility and radiative properties of the Rabi modes suggest a concept of a self-assembled 2D soliton-based nano-antenna, which is stable against imperfections In particular, we discuss the implementation of such a nano-antenna in the form of surface plasmon solitons in graphene, and illustrate possibilities to control their operation by means of optical tools.

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Gligorić, G., Maluckov, A., Hadžievski, L., Slepyan, G. Y., & Malomed, B. A. (2015). Soliton nanoantennas in two-dimensional arrays of quantum dots. Journal of Physics Condensed Matter, 27(22). https://doi.org/10.1088/0953-8984/27/22/225301

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