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- W2267688081 abstract "The work proposed in this thesis is based on photon correlation experiments performed on a semi-conductor single photon emitter: CdSe/ZnSe nanowire quantum dot. Is presented the first demonstration of single photon emission at room temperature from an epitaxied quantum dot. To explain this result we investigated by a theoretical and experimental study, the exciton-phonon coupling efficiency and its consequence on the exciton luminescence intensity with temperature. We also present optical results on the robustness against temperature of this structure. Photon correlations techniques are also applied on charged quantum dots. Presence of the charged biexciton allowed to probe the fine structure of the excited trion, to describe its carrier relaxation processes, and to obtain a direct measurement of the p-shell hole spin flip time. Indications are also given on the possible doping nature. We also investigated spectral diffusion of the emitter caused by electronic fluctuations of the environnement. By a theoretical work, we show how to model the effect of the homogeneous phonon broadening, (poissonian emission energy process) combined with the spectral diffusion effect (markovian emission energy process) on the half line autocorrelation function. Thanks to experiments, We conclude on the statisic of the emission energy of the emitter at high temperature. We apply this theory on CdSe/ZnSe nanowire quantum dots and interpret temperature and power dependance of the environnement fluctuation thanks to the Kubo-Anderson Model." @default.
- W2267688081 created "2016-06-24" @default.
- W2267688081 creator A5035485711 @default.
- W2267688081 date "2012-02-06" @default.
- W2267688081 modified "2023-09-25" @default.
- W2267688081 title "Photon correlations on a room temperature semi-conductor single photon emitter." @default.
- W2267688081 hasPublicationYear "2012" @default.
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