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Coupling of Quantum-Well Excitons to Plasmons in One-Dimensional Metal Nanocylinder Gratings

  • XXVIII INTERNATIONAL SYMPOSIUM “NANOSTRUCTURES: PHYSICS AND TECHNOLOGY”, MINSK, REPUBLIC OF BELARUS, SEPTEMBER, 2020. EXCITONS IN NANOSTRUCTURES
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Abstract

Theory of plasmon-exciton coupling is developed for a metal nanocylinder grating located in the vicinity of a semiconductor quantum well. In dipole approximation, the effective polarizability of cylinders is derived, taking into account generation of quantum-well excitons in the near field of surface plasmons. Given the polarizability, the spectra of reflection and absorption are calculated for metal-semiconductor systems to study the effect of plasmon-exciton interaction. The excitonic response is shown to be enhanced by high-quality plasmons of Ag cylinders, although strong coupling is not attained for realistic nanostructure parameters.

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Funding

This work was supported by the Russian Foundation for Basic Research, project no. 18-02-00668.

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Authors and Affiliations

  1. Ioffe Institute, 194021, St Petersburg, Russia

    A. V. Korotchenkov

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  1. A. V. Korotchenkov
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Correspondence to A. V. Korotchenkov.

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Korotchenkov, A.V. Coupling of Quantum-Well Excitons to Plasmons in One-Dimensional Metal Nanocylinder Gratings. Semiconductors 54, 1506–1508 (2020). https://doi.org/10.1134/S1063782620110159

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  • DOI: https://doi.org/10.1134/S1063782620110159

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