Stuttgart 2012 – wissenschaftliches Programm

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Q: Fachverband Quantenoptik und Photonik

Q 34: Poster 1

Q 34.44: Poster

Dienstag, 13. März 2012, 16:30–19:00, Poster.I+II

Interplay of cavity and EIT-cooling with neutral atoms in an optical resonator — •Sebastian Manz, Wolfgang Alt, Tobias Kampschulte, René Reimann, Seokchan Yoon, and Dieter Meschede — Institutfür Angewandte Physik der Universität Bonn, Wegelerstr. 8,53115 Bonn

The motional properties of single atoms inside an optical resonator can be changed significantly by the simultaneous interaction with a near-resonant control light field and a weak probing field coupled to the resonator. Following our findings in the case of electromagnetically induced transparency (EIT) with a single neutral atom [1] we investigate the roles of EIT cooling and cavity cooling within our system. We identify cooling and heating regions associated with the EIT-dark state or the atom-cavity dressed states [2]. By this the dressed states of the system and their dependency on the single- and two-photon-detunings can be investigated experimentally.

Further we show a qualitative difference in the cooling dynamics between one and two atoms coupled to the optical resonator.

[1] T. Kampschulte et al., Phys. Rev. Lett. 105, 153603 (2010)

[2] M. Bienert et al., arXiv, 1109.1666v1 (2011)

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