263 citations · 837 across the 9 of their papers we have counts for
10 papers
Compact, open, and tunable two-dimensional Fabry-Pérot cavity
Bruno Bender, Andrea Bergschneider, Marcel Baer +2
In order to enhance light-matter interactions, optically active material, like a semiconductor, can be embedded into an optical cavity. For small cavity mode volumes, which are req…
Floquet-driven crossover from density-assisted tunneling to enhanced pair tunneling
Nick Klemmer, Janek Fleper, Valentin Jonas +4
We investigate the experimental control of pair tunneling in a double-well potential using Floquet engineering. We demonstrate a crossover from a regime with density-assisted tunne…
Coupled high-finesse optical Fabry-Perot microcavities
Steffen Gohlke, Thorsten Langerfeld, Andrea Bergschneider +1
Optical fiber Fabry-Perot cavities have been a development facilitating the efficient integration of high-finesse cavities into fiber-optic assemblies. In this work, we demonstrate…
Interacting Polaron-Polaritons
Li Bing Tan, Ovidiu Cotlet, Andrea Bergschneider +5
Two dimensional semiconductors provide an ideal platform for exploration of linear exciton and polariton physics, primarily due to large exciton binding energy and strong light-mat…
Density Oscillations Induced by Individual Ultracold Two-Body Collisions
Q. Guan, V. Klinkhamer, R. Klemt +5
Access to single-particle momenta provides new means of studying the dynamics of a few interacting particles. In a joint theoretical and experimental effort, we observe and analyze…
High-Contrast Interference of Ultracold Fermions
Philipp M. Preiss, Jan Hendrik Becher, Ralf Klemt +4
Many-body interference between indistinguishable particles can give rise to strong correlations rooted in quantum statistics. We study such Hanbury Brown-Twiss-type correlations fo…
Experimental Characterization of Two-Particle Entanglement through Position and Momentum Correlations
Andrea Bergschneider, Vincent M. Klinkhamer, Jan Hendrik Becher +5
Quantum simulation is a rapidly advancing tool to gain insight into complex quantum states and their dynamics. Trapped ion systems have pioneered deterministic state preparation an…
Spin-resolved single-atom imaging of Li in free space
Andrea Bergschneider, Vincent M. Klinkhamer, Jan Hendrik Becher +4
We present a versatile imaging scheme for fermionic Li atoms with single-particle sensitivity. Our method works for freely propagating particles and completely eliminates the n…
Two Fermions in a double well: Exploring a fundamental building block of the Hubbard model
Simon Murmann, Andrea Bergschneider, Vincent M. Klinkhamer +3
We have prepared two ultracold fermionic atoms in an isolated double-well potential and obtained full control over the quantum state of this system. In particular, we can independe…
Pairing in few-fermion systems with attractive interactions
G. Zürn, A. N. Wenz, S. Murmann +3
We have studied quasi one-dimensional few-particle systems consisting of one to six ultracold fermionic atoms in two different spin states with attractive interactions. We probe th…