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Room temperature contactless electroreflectance spectra for QW samples with the QW widths of (a) , (b) , and (c) .
Method used to achieve a match of theoretical QW transition energies (solid curves) with those extracted from fitting the CER spectra for the wide QW (horizontal dashed lines).
Theoretical calculations for three various (solid curves) and experimental QW transition energies (open squares) as a function of QW width.
Band line-up for the system. The conduction band offset is defined for unstrained materials as marked in this figure (see also Refs. 3 and 4).
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