3 years ago

A Rydberg-dressed Magneto-Optical Trap.

P. Huillery, E. M. Bridge, M. P. A. Jones, R. K. Hanley, R. Faoro, N. C. Jackson, A. D. Bounds

We propose and demonstrate the laser cooling and trapping of Rydberg-dressed Sr atoms. By off-resonantly coupling the excited state of a narrow (7 kHz) cooling transition to a high-lying Rydberg state, we transfer Rydberg properties such as enhanced electric polarizability to a stable magneto-optical trap operating at %CONTENT%lt; 1 \mu K$. By increasing the density to $1 \times 10^{12} \rm{cm^{-3}}$, we show that it is possible to reach a regime where the long-range interaction between Rydberg-dressed atoms becomes comparable to the kinetic energy, opening a route to combining laser cooling with tunable long-range interactions.

Publisher URL: http://arxiv.org/abs/1801.03846

DOI: arXiv:1801.03846v1

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