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We study atoms that are confined to an optical lattice. The electronic ground state of each atom is coupled via a laser to a high lying Rydberg state.
We show how the interplay between the laser driving and the Rydberg-Rydberg interaction can be used to selectively create entangled many-body states. The mapping of these collective atomic excitations onto photonic states is studied in detail. We show how this allows to create single-photon sources and sources for correlated photon pairs. |
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