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Electromagnetically induced transparency of an interacting cold Rydberg ensemble.

By K.J. Weatherill, J.D. Pritchard, R.P. Abel, M.G. Bason, A.K. Mohapatra and C.S. Adams


We study electromagnetically induced transparency (EIT) of a weakly interacting cold Rydberg gas. We show that for Rydberg states with principal quantum numbers in the range n = 19–26, the onset of interactions is manifest as a depopulation of the Rydberg state. In the limit of a weak probe where the depopulation effect is negligible, we observe no evidence of interaction-induced decoherence and obtain a narrow Rydberg dark resonance with a linewidth of <600 kHz.\u

Publisher: Institute of Physics
Year: 2008
DOI identifier: 10.1088/0953-4075
OAI identifier:

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