К теории плазмон-экситонов: оценка константы взаимодействия и оптический спектр | Zendy

Н.С. Аверкиев | Zendy; А.В. Коротченков | Zendy; В.А. Кособукин | Zendy

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К теории плазмон-экситонов: оценка константы взаимодействия и оптический спектр

Author(s) -

Н.С. Аверкиев,

А.В. Коротченков,

В.А. Кособукин

Publication year - 2019

Publication title -

физика и техника полупроводников

Language(s) - English

Resource type - Journals

eISSN - 1726-7315

pISSN - 0015-3222

DOI - 10.21883/ftp.2019.08.47996.9107

Subject(s) - exciton , plasmon , resonance (particle physics) , dielectric , condensed matter physics , semiconductor , coupling constant , surface plasmon resonance , spectral line , coupling (piping) , materials science , molecular physics , physics , nanoparticle , optoelectronics , atomic physics , nanotechnology , quantum mechanics , metallurgy

The structure of the optical spectra related to the resonant interaction of quasi-two-dimensional excitons and localized plasmons is investigated theoretically. The constant of plasmon–exciton coupling is estimated in a model considering a semiconductor quantum well close to a layer of metal nanoparticles in an adjacent dielectric medium. Numerical calculations carried out for GaAs/Ag and ZnO/Al nanosystems indicate that near the plasmon–exciton resonance the spectrum features a double-peak structure which exhibits the plasmon-excitonic anticrossing behavior upon detuning from exact resonance.

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