Книга: Kristian Hoeg Madsen «Dynamics of Quantum Dots in Micropillar Cavities»
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Производитель: "LAP Lambert Academic Publishing" In this thesis the interaction between a single quantum dot and a cavity is investigated. Quantum dots embedded in a micropillar cavity are investigated by measuring the spectra, and by performing time-resolved measurements. The enhancement of the spontaneous decay of the quantum dot is measured to 18. 9 with a resonant lifetime of 28. 1 ps under the assumption of an exponential decay. A model is constructed with measurable parameters, and the calculated decay curves are not exponential. As a result the mean decay rate, which coincides with the exponential rate for an exponential decay, is calculated for the measured rates. A large deviation is seen, with an enhancement of the mean decay rate of 9. 1 with a resonant lifetime of 56. 5 ps. The non-exponential decay of the quantum dot is caused by non- Markovian processes in the dot-cavity interaction. Furthermore, the second order coherence is measured to determine the quality of the single-photon emission, and two-photon... ISBN:9783845421728 Издательство: "LAP Lambert Academic Publishing" (2011)
ISBN: 9783845421728 |
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