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Readout-delay-free Bragg atom interferometry using overlapped spatial fringes

Wigley, Paul; Hardman, Kyle; Freier, Christian; Everitt, Patrick; Legge, Samuel; Close, John; Perumbil, Manju; Robins, Nicholas


A method for mitigating the readout delay characteristic of Bragg-based atom interferometry is presented, utilizing an asymmetric Mach-Zehnder interferometer sequence to generate spatial fringes that are read out while still overlapped. The time of flight after the final beamsplitter is engineered to facilitate constructive overlap of the fringes on the output states. A noise analysis performed using a precision atom interferometer is presented, comparing the traditional separated symmetric...[Show more]

CollectionsANU Research Publications
Date published: 2019
Type: Journal article
Source: Physical Review A
DOI: 10.1103/PhysRevA.99.023615
Access Rights: Open Access


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