SAMOP 2023 – scientific programme

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A: Fachverband Atomphysik

A 27: Poster III

A 27.22: Poster

Thursday, March 9, 2023, 16:30–19:00, Empore Lichthof

Fluorescence Detection of Rydberg Atoms — •Dillen Lee, Eduard Braun, Moritz Hornung, Gerhard Zürn, and Matthias Weidemüller — Physikalische Institut Universität Heidelberg, Im Neuenheimer Feld 226, 69120 Heidelberg

Rydberg atom platforms are ideally suited to study the dynamics of closed quantum spin systems with giant interactions. Complementary to experiments with Rydberg spins excited from ground state atoms prepared in optical lattices or optical tweezers that are typically arranged in a ordered configuration, on our platform we excite Rydberg spins from a thermal gas of atoms with random distribution. To not only determine the number of Rydberg spins in the system which can be deduced from the detected number of ions after field ionisation we are heading towards a fluorescence detection scheme which will allow us to also determine not only the spatial distribution but also the spatial correlations of the spin system. In this poster we present a detection scheme for Rubidium Rydberg atoms that is based on free-space fluorescence detection which does not require the presence of a pinning lattice during exposure.