PhysRevA.98.023629.pdf (522.98 kB)
Optimal matter-wave gravimetry
Version 2 2023-06-12, 07:24
Version 1 2023-06-09, 14:40
journal contribution
posted on 2023-06-12, 07:24 authored by Michail Kritsotakis, Stuart S Szigeti, Jacob DunninghamJacob Dunningham, Simon A HaineWe calculate quantum and classical Fisher informations for gravity sensors based on matterwave 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.
Funding
Australian Research Council
European Union's Horizon 2020 Research and Innovation
UK Quantum Technology Hub: NQIT-Networked Quantum Information Technologies; G1503; EPSRC-ENGINEERING & PHYSICAL SCIENCES RESEARCH COUNCIL; EP/M013243/1
History
Publication status
- Published
File Version
- Published version
Journal
Physical Review AISSN
1050-2947Publisher
American Physical SocietyExternal DOI
Issue
23629Volume
98Page range
1-11Department affiliated with
- Physics and Astronomy Publications
Research groups affiliated with
- Atomic, Molecular and Optical Physics Research Group Publications
Full text available
- Yes
Peer reviewed?
- Yes
Legacy Posted Date
2018-08-23First Open Access (FOA) Date
2018-08-23First Compliant Deposit (FCD) Date
2018-08-20Usage metrics
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