Harnessing quantum optical phenomena in cold atomic ensembles

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Light can mediate strong interactions between cold and dense atomic ensembles, such that the atoms respond to light cooperatively. Some of the recent findings in experimental laboratories and numerical simulations for these systems have been incompatible with the textbook wisdom of standard optics in a dielectric medium. In this programme we want to explain some of these failings and also to develop a novel platform for utilizing these strong interactions in the manipulation of light. Individual quantum particles have now been accurately controlled in experiments already for quite some time. However, technologically important many-particle systems have so far been beyond such control. The goal of the programme is to improve the control and manipulation of atomic ensembles and to guide experimentalists to develop better next generation optical devices and technologies based on quantum physics.