Higher order correlation beams in atmosphere under strong turbulence conditions

dc.creatorHakob Avetisyan
dc.creatorCarlos Henrique Monken
dc.date.accessioned2022-10-26T17:16:51Z
dc.date.accessioned2025-09-09T00:28:13Z
dc.date.available2022-10-26T17:16:51Z
dc.date.issued2016
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.format.mimetypepdf
dc.identifier.doihttps://doi.org/10.1364/OE.24.002318
dc.identifier.issn10944087
dc.identifier.urihttps://hdl.handle.net/1843/46640
dc.languageeng
dc.publisherUniversidade Federal de Minas Gerais
dc.relation.ispartofOptics Express
dc.rightsAcesso Aberto
dc.subjectTurbulência atmosférica
dc.subjectÓptica quântica
dc.subjectComunicação quântica
dc.subject.otherTurbulência atmosférica
dc.subject.otherQuantum optics
dc.subject.otherComunicação quântica
dc.subject.otherCoherence and statistical optics
dc.titleHigher order correlation beams in atmosphere under strong turbulence conditions
dc.typeArtigo de periódico
local.citation.epage2335
local.citation.issue3
local.citation.spage2318
local.citation.volume24
local.description.resumoHigher order correlation beams, that is, two-photon beams obtained from the process of spontaneous parametric down-conversion pumped by Hermite-Gauss or Laguerre-Gauss beams of any order, can be used to encode information in many modes, opening the possibility of quantum communication with large alphabets. In this paper we calculate, analytically, the fourth-order correlation function for the Hermite-Gauss and Laguerre-Gauss coherent and partially coherent correlation beams propagating through a strong turbulent medium. We show that fourth-order correlation functions for correlation beams have, under certain conditions, expressions similar to those of intensities of classical beams and are degraded by turbulence in a similar way as the classical beams. Our results can be useful in establishing limits for the use of two-photon beams in quantum communications with larger alphabets under atmospheric turbulence.
local.identifier.orcidhttps://orcid.org/0000-0002-6551-8324
local.identifier.orcidhttps://orcid.org/0000-0002-0064-1882
local.publisher.countryBrasil
local.publisher.departmentICX - DEPARTAMENTO DE FÍSICA
local.publisher.initialsUFMG
local.url.externahttps://opg.optica.org/oe/fulltext.cfm?uri=oe-24-3-2318&id=335902

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