Mainz 2017 – scientific programme

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A: Fachverband Atomphysik

A 25: Ultracold Plasmas and Rydberg Systems (with Q)

A 25.6: Talk

Wednesday, March 8, 2017, 16:00–16:15, P 104

Rydberg excitation of cold atoms in hollow core fiber — •Mohammad Noaman, Maria Langbecker, Chantal Voss, Maik Selch, Florian Stuhlmann, and Patrick Windpassinger — QUANTUM, Institut für Physik, Johannes Gutenberg-Universität Mainz, Staudingerweg 7, 55128 Mainz, Germany

Cold atoms confined inside hollow-core fibers represent 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. Due to dipole blockade polaritons are restricted to a quasi one dimensional structure. Using this scheme, novel photonic states, eg crystallization of photons can be observed with possible applications in quantum information and simulation. This talk will review the current status of our experimental setup where laser cooled Rubidium atoms are transported into a hollow-core fiber using optical lattice. We present the first result of Rydberg EIT of cold atoms inside a hollow core fiber and discuss the progress towards physics in a quasi-one-dimensional geometry of Rydberg atoms.