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München 2004 – scientific programme

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Q: Quantenoptik und Photonik

Q 38: Poster Fallen und Kühlung

Q 38.9: Poster

Thursday, March 25, 2004, 14:00–16:00, Schellingstr. 3

Collective Atomic Motion in an Optical Lattice formed inside a High Finesse Cavity — •Julian Klinner, Boris Nagorny, Thilo Elsässer, Malik Lindholdt, and Andreas Hemmerich — Institut für Laserphysik, Universität Hamburg, Luruper Chaussee 149, 22761 Hamburg

We discuss non-linear light field dynamics and collective atomic motion in an optical lattice formed inside a high finesse resonator. Our cavity with a finesse of 180.000 operates in the regime of strong coupling, where the light shift per photon times the number of trapped atoms exceeds the cavity bandwidth. We present a theoretical model, which accurately reproduces our observations of dispersive optical bistability, self-organisation of the intra-cavity field and self-induced radial breathing oscillations of the trapped atoms.

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