Research Article
Evolution of InAs/GaAs QDs Size with the Growth Rate: A Numerical Investigation
Figure 2
(a) Typical 10 K PL spectra recorded at various excitation density at 80 Wcm−2 (squares), 20 Wcm−2 (circles), and 4 Wcm−2 (triangles). These spectra show the state filling effects with increasing the excitation power. The highest excitation density spectra show three emission bands deconvoluted by three Gaussians, namely, the optical transition energies arising from GS, 1st ES, and 2nd ES. (b) Electron envelop function calculated using the simulated buried dots size for the GS, 1st ES, and 2nd ES.
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