Abstract
Interfacing light and matter at the quantum level is at the heart of modern atomic and optical physics and enables new quantum technologies involving the manipulation of single photons and atoms. A prototypical atom-light interface is electromagnetically induced transparency, in which quantum interference gives rise to hybrid states of photons and atoms called dark-state polaritons. Rydberg gases represent an ideal system to explore the interplay between coherent light excitation and dipolar interatomic interactions. I will review recent advances in the field with special emphasis on our recent work [1-8].
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