Stuttgart 2012 – wissenschaftliches Programm

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Q: Fachverband Quantenoptik und Photonik

Q 35: Poster 2

Q 35.30: Poster

Mittwoch, 14. März 2012, 16:30–19:00, Poster.I+II

Electromagnetically induced transparency in cold Rydberg Gases — •Sevilay Sevinçli1,2, Nils Henkel2, Cenap Ates3, and Thomas Pohl21Aarhus University — 2Max Planck Institute for the Physics of Complex Systems, Dresden — 3University of Nottingham

We study the optical response of cold three-state atoms under conditions of electromagnetically induced transparency, where one atomic level corresponds to a Rydberg state that exhibits very strong van-der-Waals interactions. Using different numerical and analytical approaches we show that this leads to a non-linear and highly non-local optical response of the EIT medium, which, moreover, exhibits universal behavior [1]. Good agreement with recent measurements of the nonlinear absorption in Rb-Rydberg gases is demonstrated. Furthermore, we show that the resulting non-local photon-photon interactions can give rise to interesting nonlinear wave phenomena [2], such as stable bright solitons and modulational instabilities.
C. Ates, S. Sevinçli and T. Pohl, Phys. Rev. A 83 041802(R)
S. Sevinçli et al., Phys. Rev. Lett. 107 153001

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