The effect of rapid thermal annealing on InAs quantum dots (QDs) capped with In0. 4Ga0. 6As/GaAs layer has been investigated by photoluminescence (PL). An unusual red shift of …
This paper reports on the evolution of InAs/GaAs quantum dots'(QDs) intermixing process depending on the QD position with respect to the InGaAs strain reducing layer. The …
The structural and morphological features of bimodal-sized InAs/(In) GaAs quantum dots with density in the low 10 9 cm− 2 range were analyzed with transmission electron …
This paper reports on experimental and theoretical investigation of atyical temperature- dependent photoluminescence properties of InAs quantum dots in close proximity to InGaAs …
A Salhi, S Alshaibani, B Ilahi, M Alhamdan… - Journal of Alloys and …, 2017 - Elsevier
Abstract Self-organized InAs QDs have been grown by Molecular Beam Epitaxy with different strain reducing layers (SRL) having nearly similar lattice mismatches to GaAs. The …
The present study reports on the optical properties of epitaxially grown InAs quantum dots (QDs) inserted within an InGaAs strain-reducing layer (SRL). The critical energy states in …
S Adhikary, N Halder… - Journal of nanoscience …, 2011 - ingentaconnect.com
The effect of rapid thermal annealing (RTA) on the optical properties of a 10 layer stacked InAs/GaAs quantum dot (QD) heterostructure where the QDs are overgrown with a …
JM Ulloa, R Gargallo-Caballero, M Bozkurt… - Physical Review B …, 2010 - APS
The Sb-induced changes in the optical properties of GaAsSb-capped InAs/GaAs quantum dots (QDs) are shown to be strongly correlated with structural changes. The observed …
The superior operation characteristics of quantum dot (QD) lasers with excited-state (ES) emission, namely high saturation gain and modulation bandwidth, are advantageous for …