Microwave spectroscopy of radio-frequency dressed 87Rb

A. Sinuco-Leon, G.; M. Garraway, B.; Mas, H.; Pandey, S.; Vasilakis, G.; Bolpasi, V.; von Klitzing, W.; Foxon, B.; Jammi, S.; Poulios, K.; Fernholz, T.

Abstract

We study the hyperfine spectrum of atoms of $^{87}$Rb dressed by a radio-frequency field, and present experimental results in three different situations: freely falling atoms, atoms trapped in an optical dipole trap and atoms in an adiabatic radio-frequency dressed shell trap. In all cases, we observe several resonant side bands spaced at intervals equal to the dressing frequency, corresponding to transitions enabled by the dressing field. We theoretically explain the main features of the microwave spectrum, using a semi-classical model in the low field limit and the Rotating Wave Approximation. As a proof of concept, we demonstrate how the spectral signal of a dressed atomic ensemble enables an accurate determination of the dressing configuration and the probing microwave field.

Citation

A. Sinuco-Leon, G., M. Garraway, B., Mas, H., Pandey, S., Vasilakis, G., Bolpasi, V., …Fernholz, T. (2019). Microwave spectroscopy of radio-frequency dressed 87Rb. Physical Review A, 100(5), https://doi.org/10.1103/PhysRevA.100.053416

• Journal Article Type: Article
• Acceptance Date: Sep 9, 2019
• Online Publication Date: Nov 22, 2019
• Publication Date: Nov 22, 2019
• Deposit Date: Sep 23, 2019
• Publicly Available Date: Sep 24, 2019
• Journal: Physical Review A
• Print ISSN: 2469-9926
• Electronic ISSN: 2469-9934
• Publisher: American Physical Society
• Peer Reviewed: Peer Reviewed
• Volume: 100
• Issue: 5
• DOI: https://doi.org/10.1103/PhysRevA.100.053416
• Keywords: Atomic Physics
• Public URL: https://nottingham-repository.worktribe.com/output/2458855
• Publisher URL: https://journals.aps.org/pra/abstract/10.1103/PhysRevA.100.053416
• Related Public URLs: https://journals.aps.org/pra/