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Why momentum width matters for atom interferometry with Bragg pulses

Szigeti, Stuart; Debs, John; Hope, Joseph; Robins, Nicholas; Close, John


We theoretically consider the effect of the atomic source's momentum width on the efficiency of Bragg mirrors and beamsplitters and, more generally, on the phase sensitivity of Bragg pulse atom interferometers. By numerical optimization, we show that an atomic cloud's momentum width places a fundamental upper bound on the maximum transfer efficiency of a Bragg mirror pulse, and furthermore limits the phase sensitivity of a Bragg pulse atom interferometer. We quantify these momentum width...[Show more]

CollectionsANU Research Publications
Date published: 2012
Type: Journal article
Source: New Journal of Physics
DOI: 10.1088/1367-2630/14/2/023009


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