Volume 86, Number 6, June 2009
|Number of page(s)||6|
|Section||Condensed Matter: Electronic Structure, Electrical, Magnetic and Optical Properties|
|Published online||13 July 2009|
Phonon influence on emission spectra of biexciton and exciton complexes in semiconductor quantum dots
University of Bucharest, Faculty of Physics - Bucharest, Romania, EU and Research Center for Applied Sciences, Academia Sinica - Taipei, Taiwan
Corresponding author: email@example.com
Accepted: 5 June 2009
The effect of longitudinal optical (LO) phonon on the emission spectra of biexciton and exciton complexes in semiconductor quantum dots (QDs) is theoretically investigated. The predicted resonantly excited photoluminescence of linearly polarized light in cylindrical InAs/AlAs QD nanostructure is compared with the experimental results. The exciton and biexciton binding energies are computed and appearance of LO phonon replicas in the photoluminescence spectra of the nanostructure is discussed.
PACS: 73.21.La – Electron states and collective excitations in multilayers, quantum wells, mesoscopic, and nanoscale systems: Quantum dots / 73.40.Kp – III-V semiconductor-to-semiconductor contacts, p-n junctions, and heterojunctions / 78.67.Hc – Optical properties of low-dimensional, mesoscopic, and nanoscale materials and structures: Quantum dots
© EPLA, 2009
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