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Q: Fachverband Quantenoptik und Photonik
Q 35: Quantum Optics: Cavity and Waveguide QED II
Q 35.5: Talk
Wednesday, March 8, 2023, 15:30–15:45, E001
Spectral dynamics of a strongly coupled system of Yb atoms in a high-finesse cavity — Dmitriy Sholokhov, •Saran Shaju, Ke Li, and Jürgen Eschner — University of Saarland, Saarbrücken, Germany
We trap 174Yb atoms in a MOT using the 182 kHz narrow 1S0 - 3P1 (556 nm) transition, thereby creating a considerably colder and denser atomic cloud as compared to the case of MOT trapping on the dipole-allowed, 28 MHz wide 1S0 - 1P1 line at 399 nm [1]. The cloud resides in a 5 cm long, ∼45 000 finesse optical cavity resonant with the 556 nm transition. We observe strong nonlinear interaction between cavity and atoms which, together with the time-dependent atom number inside the cavity mode, leads to complex dynamics of the system. In this contribution we characterize and analyze time-dependent and spectral properties of the light emitted into cavity and free space.
[1] H. Gothe, D. Sholokhov, A. Breunig, M. Steinel, J. Eschner, Phys. Rev. A 99, 013415 (2019)