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Continuous parametric feedback cooling of a single atom in an optical cavity

Sames, C; Hamsen, C; Chibani, H; Altin, Paul; Wilk, T; Rempe, G

Description

We demonstrate a feedback algorithm to cool a single neutral atom trapped inside a standing-wave optical cavity. The algorithm is based on parametric modulation of the confining potential at twice the natural oscillation frequency of the atom, in combination with fast and repetitive atomic position measurements. The latter serve to continuously adjust the modulation phase to a value for which parametric excitation of the atomic motion is avoided. Cooling is limited by the measurement backaction...[Show more]

CollectionsANU Research Publications
Date published: 2018
Type: Journal article
URI: http://hdl.handle.net/1885/205191
Source: Physical Review A
DOI: 10.1103/PhysRevA.97.053404
Access Rights: Open Access

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