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Observation and Measurement of Interaction-Induced Dispersive Optical Nonlinearities in an Ensemble of Cold Rydberg Atoms

Abstract : We observe and measure dispersive optical nonlinearities in an ensemble of cold Rydberg atoms placed inside an optical cavity. The experimental results are in agreement with a simple model where the optical nonlinearities are due to the progressive appearance of a Rydberg blockaded volume within the medium. The measurements allow a direct estimation of the ''blockaded fraction'' of atoms within the atomic ensemble.
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Submitted on : Wednesday, May 15, 2013 - 7:39:34 PM
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Valentina Parigi, Erwan Bimbard, Jovica Stanojevic, Andrew Hilliard, Florence Nogrette, et al.. Observation and Measurement of Interaction-Induced Dispersive Optical Nonlinearities in an Ensemble of Cold Rydberg Atoms. Physical Review Letters, American Physical Society, 2012, 109, pp.233602. ⟨10.1103/PhysRevLett.109.233602⟩. ⟨hal-00822984⟩

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