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Absorption spectra of samples a–c at .
Normalized differential reflectances for samples a, b, and c that, respectively, have a spacer thicknesses of 2 (solid line), 2.5, (dashed line) and (dotted line). The QW reference sample d (dashed-dotted line) is also included for comparison. Inset shows a schematic diagram with the expected recombination scheme.
Normalized differential reflectance for samples e–g.
Normalized differential reflectance of the microcavity sample (scattered points). The biexponential fit of the decay curve is shown here in solid line.
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