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We report on a theoretical and experimental study performed on AlAs/GaAs micropillar cavities containing InGaAs quantum dots as active medium. The devices have the interesting property of having almost all emission (spontaneous and stimulated) channelled into one cavity mode. They are excellent experimental platforms for studying laser physics because their emission behaviours question our understanding...
We demonstrate the emission of highly indistinguishable photons from a quasi-resonantly pumped coupled quantum dot-microcavity system operating in the weak coupling regime. Furthermore we model the degree of indistinguishability with our novel microscopic theory.
The prospect of studying quantum optics in the solid state and the quest for quantum light sources in the field of quantum communication has triggered enormous efforts in the development of microcavity systems with embedded quantum dots (QDs) [1]. The success story in this field of modern optics includes the observation of fundamental light-matter interaction in the cavity quantum electrodynamics...
A novel concept for on-chip quantum optics using an internal electrically pumped microlaser is presented. The microlaser resonantly excites a quantum dot — microcavity system operating in the weak coupling regime of cavity quantum electrodynamics.
We report on cavity quantum electrodynamics studies in optically and electrically pumped quantum dot micropillar systems. Light-matter interaction effects in the quantum limit and possible applications in efficient light sources will be discussed.
The investigation of quantum electrodynamics effects such as weak and strong coupling in quantum dot- micropillar systems in electrically contacted devices has recently become possible due to advances in nano- processing. This is of high interest for practical applications, e.g. the realization of compact single photon sources. Moreover, compared to simple optically excited structures electrically...
The talk discusses quantum dot micropillar cavities with electrical injection and quality factors in excess of 10.000. Weak and strong coupling effects and lasing are investigated. Challenges and the potential for device applications are discussed.
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