Polarization, spectral, and spatial emission characteristics of chiral semiconductor nanostructures


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Resumo

A detailed study of the degree of circular polarization and the angular dependence of the emission spectra of an array of InAs quantum dots embedded in GaAs photonic nanostructures with chiral symmetry in the absence of an external magnetic field is carried out. A strong angular dependence of the spectra and the degree of circular polarization of radiation from quantum dots, as well as a significant effect of the lattice period of the photonic crystal on the radiation characteristics, is observed. The dispersion of photonic modes near the (±3, 0) and (±2, ±2) Bragg resonances is investigated in detail. The experimentally observed polarization, spectral, and angular characteristics of the quantum-dot emission are explained in the framework of a theory describing radiative processes in chiral photonic nanostructures.

Sobre autores

A. Maksimov

Institute of Solid State Physics

Autor responsável pela correspondência
Email: maksimov@issp.ac.ru
Rússia, Chernogolovka, Moscow region, 142432

A. Peshcherenko

Institute of Solid State Physics

Email: maksimov@issp.ac.ru
Rússia, Chernogolovka, Moscow region, 142432

E. Filatov

Institute of Solid State Physics

Email: maksimov@issp.ac.ru
Rússia, Chernogolovka, Moscow region, 142432

I. Tartakovskii

Institute of Solid State Physics

Email: maksimov@issp.ac.ru
Rússia, Chernogolovka, Moscow region, 142432

V. Kulakovskii

Institute of Solid State Physics

Email: maksimov@issp.ac.ru
Rússia, Chernogolovka, Moscow region, 142432

S. Tikhodeev

Faculty of Physics; Prokhorov General Physics Institute

Email: maksimov@issp.ac.ru
Rússia, Moscow, 119991; Moscow, 119991

S. Lobanov

Skolkovo Institute of Science and Technology; School of Physics and Astronomy

Email: maksimov@issp.ac.ru
Rússia, Skolkovo, 143025; Cardiff, CF24 3AA

C. Schneider

Technische Physik and Wilhelm-Conrad-Röntgen-Research Center for Complex Material Systems

Email: maksimov@issp.ac.ru
Alemanha, Würzburg, Am Hubland, D-97074

S. Höfling

Technische Physik and Wilhelm-Conrad-Röntgen-Research Center for Complex Material Systems

Email: maksimov@issp.ac.ru
Alemanha, Würzburg, Am Hubland, D-97074

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