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Nonlocal Nonlinear Optics in Cold Rydberg Gases

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Sevincli,  S.
Max Planck Institute for the Physics of Complex Systems, Max Planck Society;

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Henkel,  N.
Max Planck Institute for the Physics of Complex Systems, Max Planck Society;

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Ates,  C.
Max Planck Institute for the Physics of Complex Systems, Max Planck Society;

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Pohl,  T.
Max Planck Institute for the Physics of Complex Systems, Max Planck Society;

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Citation

Sevincli, S., Henkel, N., Ates, C., & Pohl, T. (2011). Nonlocal Nonlinear Optics in Cold Rydberg Gases. Physical Review Letters, 107(15): 153001.


Cite as: http://hdl.handle.net/11858/00-001M-0000-0029-8BFD-9
Abstract
We present an analytical theory for the nonlinear optical response of a strongly interacting Rydberg gas under conditions of electromagnetically induced transparency. Simple formulas for the third-order optical susceptibility are derived and shown to be in excellent agreement with recent experiments. The obtained expressions reveal strong nonlinearities, which in addition are of highly nonlocal character. This property together with the enormous strength of the Rydberg-induced nonlinearities is shown to yield a unique laboratory platform for nonlinear wave phenomena, such as collapse-arrested modulational instabilities in a self-defocusing medium.