Three-dimensional compact photonic circuits for quantum state tomography of multipath qudits in any finite dimension

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dc.creatorWilder Rodrigues Cardoso
dc.creatorDavi de Freitas Barros
dc.creatorLeonardo Teixeira Neves
dc.creatorSebastião José Nascimento de Pádua
dc.date.accessioned2025-02-23T18:01:41Z
dc.date.accessioned2025-09-09T00:06:54Z
dc.date.available2025-02-23T18:01:41Z
dc.date.issued2021
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/10.1088/2040-8986/ac23a6
dc.identifier.issn2040-8986
dc.identifier.urihttps://hdl.handle.net/1843/80341
dc.languageeng
dc.publisherUniversidade Federal de Minas Gerais
dc.relation.ispartofJournal of Optics
dc.rightsAcesso Restrito
dc.subjectTomografia quântica
dc.subjectInformação quântica
dc.subjectQudits
dc.subject.otherQuantum tomography
dc.subject.otherQuantum information
dc.subject.otherPhotonic circuits
dc.subject.otherQudits
dc.titleThree-dimensional compact photonic circuits for quantum state tomography of multipath qudits in any finite dimension
dc.typeArtigo de periódico
local.citation.epage8
local.citation.issue11
local.citation.spage1
local.citation.volume23
local.description.resumoWe propose compact three-dimensional photonic circuit designs that guarantee a remarkable reduction in the complexity of circuits to perform quantum state tomography of N-dimensional path qudits. We obtain solutions such that the number of beam splitters obeys a polynomial function of degree three with the quantum system dimension, whereas, in current proposals, this quantity grows with a polynomial function of degree four. In addition, the optical depth reduces from quadratic to linear over the dimension of the Hilbert space.
local.identifier.orcidhttps://orcid.org/0000-0002-7560-9692
local.identifier.orcidhttps://orcid.org/0000-0001-6818-0042
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://iopscience.iop.org/article/10.1088/2040-8986/ac23a6

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