Spin Squeezing by Rydberg Dressing in an Array of Atomic Ensembles

Hines, Jacob A.; Rajagopal, Shankari V.; Moreau, Gabriel L.; Wahrman, Michael D.; Lewis, Neomi A.; Marković, Ognjen; Schleier-Smith, Monika

doi:10.1103/physrevlett.131.063401

Spin Squeezing by Rydberg Dressing in an Array of Atomic Ensembles

Journal Article · Thu Aug 10 00:00:00 EDT 2023 · Physical Review Letters

DOI:https://doi.org/10.1103/physrevlett.131.063401· OSTI ID:2423795

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Stanford Univ., CA (United States)
Stanford Univ., CA (United States); Harvard Univ., Cambridge, MA (United States)

Here, we report on the creation of an array of spin-squeezed ensembles of cesium atoms via Rydberg dressing, a technique that offers optical control over local interactions between neutral atoms. We optimize the coherence of the interactions by a stroboscopic dressing sequence that suppresses super-Poissonian loss. We thereby prepare squeezed states of N = 200 atoms with a metrological squeezing parameter ξ² = 0.77⁢(9) quantifying the reduction in phase variance below the standard quantum limit. We realize metrological gain across three spatially separated ensembles in parallel, with the strength of squeezing controlled by the local intensity of the dressing light. Our method can be applied to enhance the precision of tests of fundamental physics based on arrays of atomic clocks and to enable quantum-enhanced imaging of electromagnetic fields.

View Accepted Manuscript (DOE)

Research Organization:: National Quantum Information Science (QIS) Research Centers (United States). Next Generation Quantum Science and Engineering (Q-NEXT)

Sponsoring Organization:: National Science Foundation (NSF); US Air Force Office of Scientific Research (AFOSR); US Army Research Office (ARO); US Department of the Navy, Office of Naval Research (ONR); USDOE

Grant/Contract Number:: AC02-06CH11357

OSTI ID:: 2423795

Journal Information:: Physical Review Letters, Journal Name: Physical Review Letters Journal Issue: 6 Vol. 131; ISSN 0031-9007

Publisher:: American Physical Society (APS)Copyright Statement

Country of Publication:: United States

Language:: English

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