Femtosecond Spectral Hole Burning Spectroscopy as a Probe of Exciton Dynamics in Quantum Dots
T. Műller, T. Moldaschl, W. Parz, S. Golka, G. Strasser and K. Unterrainer
Institute of Photonics and Center for Micro- and Nanostructures, Vienna University of Technology, A-1040 Vienna, Austria
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Received: 26 08 2007;
We present measurements of the dynamics of photoexcited excitons in an ensemble of InAs/GaAs self-assembled quantum dots using a femtosecond spectral hole burning technique. We use this technique to examine the exciton spin relaxation and the line shape of optical transitions in the dots.
DOI: 10.12693/APhysPolA.113.777
PACS numbers: 73.21.La, 78.47.-p, 78.67.Hc