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Type: Journal article
Title: Dual-color magic-wavelength trap for suppression of light shifts in atoms
Author: Hilton, A.P.
Perrella, C.
Luiten, A.N.
Light, P.S.
Citation: Physical Review Applied, 2019; 11(2):1-7
Publisher: American Physical Society
Issue Date: 2019
ISSN: 2331-7019
Statement of
A.P. Hilton, C. Perrella, A.N. Luiten, and P.S. Light
Abstract: We present an optical approach to compensating for spatially varying ac-Stark shifts that appear on atomic ensembles subject to strong optical control or trapping fields. The introduction of an additional weak light field produces an intentional perturbation between atomic states that is tuned to suppress the influence of the strong field. The compensation field suppresses sensitivity in one of the transition frequencies of the trapped atoms to both the atomic distribution and motion. We demonstrate this technique in a cold rubidium ensemble and show a reduction in inhomogeneous broadening in the trap. This two-color approach emulates the magic-trapping approach that is used in modern atomic-lattice clocks but provides greater flexibility in choice of atomic species, probe transition, and trap wavelength.
Rights: © 2019 American Physical Society
DOI: 10.1103/PhysRevApplied.11.024065
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