Critical parametric quantum sensing

dc.contributorAalto-yliopistofi
dc.contributorAalto Universityen
dc.contributor.authorDi Candia, R.en_US
dc.contributor.authorMinganti, F.en_US
dc.contributor.authorPetrovnin, K.V.en_US
dc.contributor.authorParaoanu, G.S.en_US
dc.contributor.authorFelicetti, S.en_US
dc.contributor.departmentDepartment of Information and Communications Engineeringen_US
dc.contributor.departmentEcole polytechnique fédérale de Lausanneen_US
dc.contributor.departmentCentre of Excellence in Quantum Technology, QTFen_US
dc.contributor.departmentConsiglio Nazionale delle Ricerche (CNR)en_US
dc.contributor.departmentDepartment of Applied Physicsen
dc.date.accessioned2023-04-05T06:19:46Z
dc.date.available2023-04-05T06:19:46Z
dc.date.issued2023-03-14en_US
dc.description| openaire: EC/H2020/891517/EU//Green-MIQUEC | openaire: EC/H2020/862644/EU//QUARTET
dc.description.abstractCritical quantum systems are a promising resource for quantum metrology applications, due to the diverging susceptibility developed in proximity of phase transitions. Here, we assess the metrological power of parametric Kerr resonators undergoing driven-dissipative phase transitions. We fully characterize the quantum Fisher information for frequency estimation, and the Helstrom bound for frequency discrimination. By going beyond the asymptotic regime, we show that the Heisenberg precision can be achieved with experimentally reachable parameters. We design protocols that exploit the critical behavior of nonlinear resonators to enhance the precision of quantum magnetometers and the fidelity of superconducting qubit readout.en
dc.description.versionPeer revieweden
dc.format.extent9
dc.format.mimetypeapplication/pdfen_US
dc.identifier.citationDi Candia , R , Minganti , F , Petrovnin , K V , Paraoanu , G S & Felicetti , S 2023 , ' Critical parametric quantum sensing ' , npj Quantum Information , vol. 9 . https://doi.org/10.1038/s41534-023-00690-zen
dc.identifier.doi10.1038/s41534-023-00690-zen_US
dc.identifier.issn2056-6387
dc.identifier.otherPURE UUID: f12ecc72-84bc-43d0-9744-5ab9c4cf5904en_US
dc.identifier.otherPURE ITEMURL: https://research.aalto.fi/en/publications/f12ecc72-84bc-43d0-9744-5ab9c4cf5904en_US
dc.identifier.otherPURE LINK: http://www.scopus.com/inward/record.url?eid=2-s2.0-85110960265&partnerID=MN8TOARSen_US
dc.identifier.otherPURE FILEURL: https://research.aalto.fi/files/104883420/s41534_023_00690_z.pdfen_US
dc.identifier.urihttps://aaltodoc.aalto.fi/handle/123456789/120378
dc.identifier.urnURN:NBN:fi:aalto-202304052696
dc.language.isoenen
dc.publisherNature Publishing Group
dc.relationinfo:eu-repo/grantAgreement/EC/H2020/862644/EU//QUARTETen_US
dc.relation.ispartofseriesnpj Quantum Informationen
dc.relation.ispartofseriesVolume 9en
dc.rightsopenAccessen
dc.titleCritical parametric quantum sensingen
dc.typeA1 Alkuperäisartikkeli tieteellisessä aikakauslehdessäfi
dc.type.versionpublishedVersion
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