Rostock 2019 – scientific programme
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Q: Fachverband Quantenoptik und Photonik
Q 42: Poster: Quantum Optics and Photonics II
Q 42.18: Poster
Wednesday, March 13, 2019, 16:15–18:15, S Atrium Informatik
Exploring atom-fiber interaction by using Rydberg atoms in a compressed cloud — •Parvez Islam1, Wei Li1,2, Di Hu1,2, Maria Langbecker1, Noaman Mohammad1, and Patrick Windpassinger1 — 1Institut für Physik, Johannes Gutenberg-Universität Mainz, Staudingerweg 7, 55128 Mainz, Germany — 2School of Instrumentation and Opto-electronic Engineering, Beihang University, XueYuan Road 37, 100191 Beijing, P. R. China
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.
We present our measurements of cold Rydberg excitations inside a hollow-core fiber to characterize the Rydberg atom-fiber interaction by using electromagnetically induced transparency (EIT) signals [1]. We investigated the atom-fiber interaction by comparing the EIT signals of cold atomic clouds with different geometry. Rather than using a long quasi 1-D cloud, a small compressed cloud is produced and transported to probe the local electric field distribution along the fiber axis. We also explore non-classical photonic states originating from the strong interaction between highly excited Rydberg atoms, in a room-temperature setup.
[1] M. Langbecker, M. Noaman, N. Kjaergaard, F. Benabid, and P. Windpassinger, Phys. Rev A 96, 041402(R) (2017).