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Optimal matter-wave gravimetry

Kritsotakis, Michail; Szigeti, Stuart; Dunningham, Jacob A.; Haine, Simon


We calculate quantum and classical Fisher information for gravity sensors based on matter-wave interference, and find that current Mach-Zehnder interferometry is not optimally extracting the full metrological potential of these sensors. We show that by making measurements that resolve either the momentum or the position we can considerably improve the sensitivity. We also provide a simple modification that is capable of more than doubling the sensitivity.

CollectionsANU Research Publications
Date published: 2018-08-27
Type: Journal article
Source: Physical Review A
DOI: 10.1103/PhysRevA.98.023629
Access Rights: Open Access


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