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Low temperature PL and PLE spectra for Qds:QW (a); PL spectra of reference QD and QW samples (b).
Transformation of the PL spectrum for Qds:QW under elevation of the excitation density. Inset: ratio of integrated PL for Qds and QW vs excitation intensity.
Temperature induced changes of the PL spectrum for Qds:QW. All spectra are normalized with respect to the QD PL maximum. Totally the drop in intensity in the QD emission between 10 and takes place.
Temperature dependences of the integrated PL from Qds:QW taken at different excitation intensities.
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