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The switch panel and the crossing panel are the most important locations for the generation of ground vibrations as they feature changes in the rail crosssection, the track curvature, track irregularities and track stiffness variations [2]. Towards achieving this goal, we first demonstrate deterministic generation of the QD-confined triexciton in a well-definedcoherent state and then spectrally identify and directly measure a three-photon radiative cascade resulting from the sequential triexciton-biexciton-exciton radiative recombination. Shaping our future At the Department of Physics, we take on our responsibility to society. Semiconductor quantum dots QDs have potential applications in quantum information processing due to the fact that they are potential on-demand sources of single and entangled photons. Need an account?