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(a) Far field PL spectrum of (110) quantum dots and WL. (b) PL line spectra of single quantum dots showing the appearance of biexcitons and excitonic excited states with increasing excitation power; is .
(a) PL intensity maps measured at indicated energies and detection bandwidth . The scanned area is ; (b) PL spectra measured at specific locations indicated in (a).
PL spectral line scan showing individual quantum dots and the spatially varying spectral width of the WL luminescence.
Temperature dependence of the PL spectrum measured in illumination mode which shows quenching of the WL and excited quantum dot luminescence intensity at high temperature.
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