Experimental Study of Spontaneous Emission in the Bragg Multiple Quantum Wells Structure of InAs Monolayers Embedded in a GaAs Matrix
- Authors: Pozina G.1, Kaliteevski M.A.2,3,4, Nikitina E.V.2,3, Gubaidullin A.R.2,4, Morozov K.M.2, Girshova E.I.2, Ivanov K.A.4, Egorov A.Y.2,3,4
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Affiliations:
- Department of Physics, Chemistry and Biology (IFM), Linkoping University
- St. Petersburg Academic University
- Ioffe Institute
- ITMO University
- Issue: Vol 52, No 14 (2018)
- Pages: 1822-1826
- Section: Microcavity and Photonic Crystals
- URL: https://journals.rcsi.science/1063-7826/article/view/205020
- DOI: https://doi.org/10.1134/S1063782618140245
- ID: 205020
Cite item
Abstract
Time-resolved photoluminescence of a Bragg structure of InAs-monolayer quantum wells in GaAs matrix was experimentally studied with. Comparison of luminescence patterns from the side and from the surface of a sample showed that Bragg-type ordering of quantum wells leads to a substantial alteration of the photoluminescence spectra including appearance of additional radiative modes. The sample side spectrum contains a single line corresponding to a ground state of an exciton. The surface spectrum at high excitation levels a new radiation line appears whose frequency and propagation angle correspond to the Bragg condition for quantum wells. A numerical calculation of the modal Purcell factor explains why the radiative emission amplification occurs only at a set of specific angles and frequencies, as opposed to the whole range that satisfies the Bragg condition.
About the authors
G. Pozina
Department of Physics, Chemistry and Biology (IFM), Linkoping University
Email: kivanov@corp.ifmo.ru
Sweden, Linkoping, S-58183
M. A. Kaliteevski
St. Petersburg Academic University; Ioffe Institute; ITMO University
Email: kivanov@corp.ifmo.ru
Russian Federation, St. Petersburg, 194021; St. Petersburg, 194021; St. Petersburg, 197101
E. V. Nikitina
St. Petersburg Academic University; Ioffe Institute
Email: kivanov@corp.ifmo.ru
Russian Federation, St. Petersburg, 194021; St. Petersburg, 194021
A. R. Gubaidullin
St. Petersburg Academic University; ITMO University
Email: kivanov@corp.ifmo.ru
Russian Federation, St. Petersburg, 194021; St. Petersburg, 197101
K. M. Morozov
St. Petersburg Academic University
Email: kivanov@corp.ifmo.ru
Russian Federation, St. Petersburg, 194021
E. I. Girshova
St. Petersburg Academic University
Email: kivanov@corp.ifmo.ru
Russian Federation, St. Petersburg, 194021
K. A. Ivanov
ITMO University
Author for correspondence.
Email: kivanov@corp.ifmo.ru
Russian Federation, St. Petersburg, 197101
A. Yu. Egorov
St. Petersburg Academic University; Ioffe Institute; ITMO University
Email: kivanov@corp.ifmo.ru
Russian Federation, St. Petersburg, 194021; St. Petersburg, 194021; St. Petersburg, 197101