Temporal quantum correlations in inelastic light scattering from water

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dc.creatorMark Kasperczyk
dc.creatorFilomeno Soares de Aguiar Júnior
dc.creatorCassiano Rabelo e Silva
dc.creatorAndre Luiz Saraiva de Oliveira
dc.creatorMarcelo Paleologo Elefteriadis de França Santos
dc.creatorLukas Novotny
dc.creatorAdo Jorio de Vasconcelos
dc.date.accessioned2022-08-01T12:14:38Z
dc.date.accessioned2025-09-09T00:23:01Z
dc.date.available2022-08-01T12:14:38Z
dc.date.issued2016-12-07
dc.description.sponsorshipCNPq - Conselho Nacional de Desenvolvimento Científico e Tecnológico
dc.identifier.doihttps://doi.org/10.1103/PhysRevLett.117.243603
dc.identifier.issn1079-7114
dc.identifier.urihttps://hdl.handle.net/1843/43828
dc.languageeng
dc.publisherUniversidade Federal de Minas Gerais
dc.relation.ispartofPhysical Review Letters
dc.rightsAcesso Restrito
dc.subjectFótons
dc.subjectEspalhamento
dc.subjectInformação quântica
dc.subject.otherOptomechanics
dc.subject.otherQuantum state engineering
dc.subject.otherWater
dc.subject.otherRaman scattering
dc.titleTemporal quantum correlations in inelastic light scattering from water
dc.typeArtigo de periódico
local.citation.epage243603-5
local.citation.issue24
local.citation.spage243603-1
local.citation.volume117
local.description.resumoWater is one of the most prevalent chemicals on our planet, an integral part of both our environment and our existence as a species. Yet it is also rich in anomalous behaviors. Here we reveal that water is a novel—yet ubiquitous—source for quantum correlated photon pairs at ambient conditions. The photon pairs are produced through Raman scattering, and the correlations arise from the shared quantum of a vibrational mode between the Stokes and anti-Stokes scattering events. We confirm the nonclassical nature of the produced photon pairs by showing that the cross-correlation and autocorrelations of the signals violate a Cauchy-Schwarz inequality by over 5 orders of magnitude. The unprecedented degree of violating the inequality in pure water, as well as the well-defined polarization properties of the photon pairs, points to its usefulness in quantum information.
local.identifier.orcidhttps://orcid.org/0000-0001-6916-3770
local.identifier.orcidhttps://orcid.org/0000-0003-0488-2242
local.identifier.orcidhttps://orcid.org/0000-0002-5978-2735
local.publisher.countryBrasil
local.publisher.departmentENG - DEPARTAMENTO DE ENGENHARIA ELÉTRICA
local.publisher.departmentICX - DEPARTAMENTO DE FÍSICA
local.publisher.initialsUFMG
local.url.externahttps://journals.aps.org/prl/abstract/10.1103/PhysRevLett.117.243603

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