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Temperature dependence of the emission spectra of individual self-assembled quantum dots

Citation:

Zora A, Simserides C, Triberis GP. Temperature dependence of the emission spectra of individual self-assembled quantum dots. In: Journal of Physics: Conference Series. Vol. 244. ; 2010. pp. 012037.

Abstract:

We have developed a quantum-mechanical theory for the interaction of light and electron-hole excitations in semiconductor quantum dots. Our theoretical analysis results in an expression for the photoluminescence intensity in the non-linear regime. The validity of the theoretical results is tested analyzing experimental data reported for the temperature dependence of the emission spectra of an individual lens-shaped In0.4Ga0.6As self-assembled quantum dot in a wide temperature range up to 300 K. Our theoretical predictions for the redshift of the emission peak with increasing temperature, in the range 2–300 K, agree with the experiment.

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