Elmer Suarez
Collective atom-cavity coupling and nonlinear dynamics with atoms with multilevel ground states
Suarez, Elmer; Carollo, Federico; Lesanovsky, Igor; Olmos, Beatriz; Courteille, Philippe W.; Slama, Sebastian
Authors
Federico Carollo
IGOR LESANOVSKY IGOR.LESANOVSKY@NOTTINGHAM.AC.UK
Professor of Physics
Beatriz Olmos
Philippe W. Courteille
Sebastian Slama
Abstract
We investigate experimentally and theoretically the collective coupling between atoms with multilevel ground-state manifolds and an optical cavity mode. In our setup the cavity field optically pumps populations among the ground states. The ensuing dynamics can be conveniently described by means of an effective dynamical atom-cavity coupling strength that depends on the occupation of the individual states and their coupling strengths with the cavity mode. This leads to a dynamical backaction of the atomic populations on the atom-cavity coupling strength which results in a nonexponential relaxation dynamics. We experimentally observe this effect with laser-cooled 87Rb atoms, for which we monitor the collective normal-mode splitting in real time. Our results show that the multilevel structure of electronic ground states can significantly alter the relaxation behavior in atom-cavity settings as compared to ensembles of two-level atoms.
Citation
Suarez, E., Carollo, F., Lesanovsky, I., Olmos, B., Courteille, P. W., & Slama, S. (2023). Collective atom-cavity coupling and nonlinear dynamics with atoms with multilevel ground states. Physical Review A, 107(2), Article 023714. https://doi.org/10.1103/PhysRevA.107.023714
Journal Article Type | Article |
---|---|
Acceptance Date | Jan 19, 2023 |
Online Publication Date | Feb 15, 2023 |
Publication Date | Feb 1, 2023 |
Deposit Date | Mar 1, 2023 |
Publicly Available Date | Mar 2, 2023 |
Journal | Physical Review A |
Print ISSN | 2469-9926 |
Electronic ISSN | 2469-9934 |
Publisher | American Physical Society |
Peer Reviewed | Peer Reviewed |
Volume | 107 |
Issue | 2 |
Article Number | 023714 |
DOI | https://doi.org/10.1103/PhysRevA.107.023714 |
Public URL | https://nottingham-repository.worktribe.com/output/17386146 |
Publisher URL | https://journals.aps.org/pra/abstract/10.1103/PhysRevA.107.023714 |
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