Monitoring Single Scattering Events in Single Quantum Dots
Ulrich Hohenester
Abstract
The quantum-jump approach is used for a theoretical description of resonance luminescence from a single semiconductor quantum dot in contact with its solid-state environment. For continuous excitation of the single-exciton groundstate the luminescence exhibits bright periods, where photons are spontaneously emitted from the exciton decay, which are interrupted by dark periods when one electron or hole suffers a spin flip. It is shown that continuously monitored resonance luminescence provides a very sensitive measure of such rare single scattering events in quantum dots.
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