Engineering quantum correlations for m x n spatially encoded two-photons states

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dc.creatorPaula D'Avila Machado
dc.creatorArtur Araújo Matoso
dc.creatorMariana Rodrigues Barros
dc.creatorLeonardo Teixeira Neves
dc.creatorSebastião José Nascimento de Pádua
dc.date.accessioned2025-02-24T19:11:38Z
dc.date.accessioned2025-09-09T00:33:28Z
dc.date.available2025-02-24T19:11:38Z
dc.date.issued2019
dc.description.sponsorshipCNPq - Conselho Nacional de Desenvolvimento Científico e Tecnológico
dc.description.sponsorshipFAPEMIG - Fundação de Amparo à Pesquisa do Estado de Minas Gerais
dc.description.sponsorshipCAPES - Coordenação de Aperfeiçoamento de Pessoal de Nível Superior
dc.description.sponsorshipINCT – Instituto nacional de ciência e tecnologia (Antigo Instituto do Milênio)
dc.identifier.doihttps://doi.org/10.1103/PhysRevA.99.063839
dc.identifier.issn2469-9934
dc.identifier.urihttps://hdl.handle.net/1843/80378
dc.languageeng
dc.publisherUniversidade Federal de Minas Gerais
dc.relation.ispartofPhysical Review A
dc.rightsAcesso Restrito
dc.subjectFótons
dc.subjectEmaranhamento quântico
dc.subjectÓptica quântica
dc.subject.otherPhoton pairs & parametric down-conversion
dc.subject.otherQuantum entanglement
dc.subject.otherQuantum optics
dc.subject.otherQuantum state engineering
dc.titleEngineering quantum correlations for m x n spatially encoded two-photons states
dc.typeArtigo de periódico
local.citation.issue6
local.citation.volume99
local.description.resumoDiscretizing transverse linear momentum of photon pairs, generated by spontaneous parametric down conversion (SPDC), is one of the simplest methods for producing bipartite entangled states in high dimensions. So far, it has been employed only to prepare states in dimensions m × m. In this work, we study the generalization for engineering entangled states in dimensions m × n. Our approach relies on the manipulation of the pump beam transverse profile and the phase-matching function of the SPDC process to prepare, behind an m- and m-slit aperture, different m × n spatial entangled states. We demonstrate the technique experimentally for some 2×3 states. Compared to previous approaches in producing 2 × n photonic entanglement, which require either more than two photons or hybrid entanglement, our scheme is less demanding and simpler since we employ only two photons and a single degree of freedom to encode the states.
local.identifier.orcidhttps://orcid.org/0000-0003-1544-0968
local.identifier.orcidhttps://orcid.org/0000-0003-4039-0544
local.identifier.orcidhttps://orcid.org/0000-0002-9589-1939
local.identifier.orcidhttps://orcid.org/0000-0001-9429-1205
local.publisher.countryBrasil
local.publisher.departmentICX - DEPARTAMENTO DE FÍSICA
local.publisher.initialsUFMG
local.url.externahttps://journals.aps.org/pra/abstract/10.1103/PhysRevA.99.063839

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