Abstract
The excited electronic states of most semiconductors with a direct gap are polaritons - hybrid states of light and matter. Thanks to their hybrid nature, these particles are characterized by a high degree of quantum coherence over long range - like photons - while having a finite mass and undergoing many-body interactions like atoms. Hence, polaritons hold great promise for investigating quantum coherence and quantum correlations in solid-state devices. I will present an overview of the physics of polaritons, focusing on their quantum many-body properties. In particular, I will illustrate recent results in two main areas: polariton Bose-Einstein condensation, and the controlled generation of quantum correlated polariton states.
© 2011 IEEE
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