Bulletin of the American Physical Society
55th Annual Meeting of the APS Division of Atomic, Molecular and Optical Physics
Monday–Friday, June 3–7, 2024; Fort Worth, Texas
Session P07: Emerging Quantum Systems
10:30 AM–12:30 PM,
Thursday, June 6, 2024
Room: 203A
Chair: Boris Braverman, University of Toronto
Abstract: P07.00002 : Degenerate Multimode Cavities for Topological Quantum Optics with Rydberg Polaritons
10:42 AM–10:54 AM
Presenter:
Lukas Palm
(University of Chicago)
Authors:
Lukas Palm
(University of Chicago)
Matt Jaffe
(University of Chicago)
Claire Baum
(University of Chicago)
Bowen Li
(Stanford University)
Jon Simon
(Stanford University)
Initial progress towards this long-standing goal has been demonstrated with our realization of a two-photon Laughlin state [1] and of a two-atom Laughlin state in an optical lattice [2], stimulating the quest to prepare bigger systems where true many-body properties, like exotic anyonic excitations, are accessible.
Our experimental platform hybridizes photons in a twisted optical cavity with atomic Rydberg excitations to create a system of itinerant, strongly interacting particles in an artificial gauge field.
We will present first results using our aspheric lens-based degenerate twisted multimode cavity realizing a lowest Landau level for a mesoscopic number of photons. With increasing Rydberg interaction strength, we can access a series of interesting states from the mean field regime towards strongly correlated states such as the Laughlin state. Combined with new imaging capabilities, we show the first data of spatially-resolved interacting polaritons on the way to larger Quantum Hall states.
[1] Logan W Clark, Nathan Schine, Claire Baum, Ningyuan Jia and Jonathan Simon, "Observation of Laughlin states made of light" Nature 582, 41-45, (2020)
[2] Léonard, J., Kim, S., Kwan, J. et al. Realization of a fractional quantum Hall state with ultracold atoms. Nature 619, 495–499 (2023)
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