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Type: Journal article
Title: High-efficiency cold-atom transport into a waveguide trap
Author: Hilton, A.
Perrella, C.
Benabid, F.
Sparkes, B.
Luiten, A.
Light, P.
Citation: Physical Review Applied, 2018; 10(4):044034-1-044034-9
Publisher: American Physical Society
Issue Date: 2018
ISSN: 2331-7019
Statement of
A.P. Hilton, C. Perrella, F. Benabid, B.M. Sparkes, A.N. Luiten and P.S. Light
Abstract: We develop and characterize an atom-guiding technique that loads 3×10⁶ cold rubidium atoms into a hollow-core optical fiber, an order-of-magnitude greater than previously reported results. This result is possible because it is guided by a physically realistic simulation that can provide the specifications for a loading efficiency of 3.0% and a peak optical depth of 600. The simulation further shows that the loading efficiency is limited solely by the geometric overlap of the atom cloud and the optical guide beam, and is thus open to further improvement with experimental modification. The experimental arrangement allows observation of the real-time effects of light-assisted cold-atom collisions and background-gas collisions by tracking the dynamics of the cold-atom cloud as it falls into the fiber. The combination of these observations, and physical understanding from the simulation, allows estimation of the limits to loading cold atoms into hollow-core fibers.
Rights: © 2018 American Physical Society
RMID: 0030100547
DOI: 10.1103/PhysRevApplied.10.044034
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Appears in Collections:IPAS publications

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