Lifetime dispersion in a single quantum dot |
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| Authors: | B.M. Weon J.H. Je J.-L. Lee |
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| Affiliation: | (1) Department of Materials Science and Engineering, Pohang University of Science and Technology, Pohang, 790-784, Korea |
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| Abstract: | We present a decay formula for photoluminescence of a single quantum dot. We apply the formula to time-resolved photoluminescence (PL) measurements for a single InAs/GaAs quantum dot. The formula works very well for the PL decays of excitons and biexcitons in the system. The physical basis of the formula originates from the temporal dispersion of lifetimes. PACS 78.67.Hc; 78.47.+p; 78.55.Cr; 71.35.-y |
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