Hannover 2016 – wissenschaftliches Programm

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Q: Fachverband Quantenoptik und Photonik

Q 11: Poster: Quantum Optics and Photonics I

Q 11.36: Poster

Montag, 29. Februar 2016, 16:30–19:00, Empore Lichthof

Towards creating Rydberg polaritons with cold atoms inside a hollow-core fiber — •Maria Langbecker, Mohammad Noaman, and Patrick Windpassinger — QUANTUM, Institut für Physik, Johannes Gutenberg-Universität Mainz, Staudingerweg 7, 55128 Mainz, Germany

Cold atoms inside hollow-core fibers present a promising candidate to study strongly coupled light-matter systems. Combined with the long range Rydberg interaction which is controlled through an EIT process, a corresponding experimental setup should allow for the generation of a strong and tunable polariton interaction. Using this scheme, novel photonic states can be generated and studied with possible applications in quantum information and simulation.

This poster presents our experimental setup where laser cooled Rubidium atoms are transported into a hollow-core fiber. We show the characterization of a Kagomé-type hollow-core fiber whose properties allow for simultaneous atom guiding and two-photon Rydberg EIT excitation and present the first measurements of Rydberg EIT of the optical molasses in front of the fiber. Finally, we discuss our progress towards Rydberg physics in a quasi-one-dimensional geometry.