Please use this identifier to cite or link to this item: http://repositorio.unicamp.br/jspui/handle/REPOSIP/238265
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dc.contributor.CRUESPUNIVERSIDADE ESTADUAL DE CAMPINASpt_BR
dc.contributor.authorunicampBorelli, Luís Fernando Mollicapt_BR
dc.contributor.authorunicampAguiar, Leandro da Silvapt_BR
dc.contributor.authorunicampRoversi, José Antoniopt_BR
dc.contributor.authorunicampVidiella Barranco, Antoniopt_BR
dc.typeArtigopt_BR
dc.titleQuantum key distribution using continuous-variable non-Gaussian statespt_BR
dc.contributor.authorBorelli, L. F. M.pt_BR
dc.contributor.authorAguiar, L. S.pt_BR
dc.contributor.authorRoversi, J. A.pt_BR
dc.contributor.authorVidiella-Barranco, A.pt_BR
dc.subjectCriptografia quântica, Estados não-Gaussianospt_BR
dc.subject.otherlanguageQuantum cryptography, Non-Gaussian statespt_BR
dc.description.abstractIn this work, we present a quantum key distribution protocol using continuous-variable non-Gaussian states, homodyne detection and post-selection. The employed signal states are the photon added then subtracted coherent states (PASCS) in which one photon is added and subsequently one photon is subtracted from the field. We analyze the performance of our protocol, compared with a coherent state-based protocol, for two different attacks that could be carried out by the eavesdropper (Eve). We calculate the secret key rate transmission in a lossy line for a superior channel (beam-splitter) attack, and we show that we may increase the secret key generation rate by using the non-Gaussian PASCS rather than coherent states. We also consider the simultaneous quadrature measurement (intercept-resend) attack, and we show that the efficiency of Eve’s attack is substantially reduced if PASCS are used as signal states. © 2015, Springer Science+Business Media New York.en
dc.description.abstractIn this work, we present a quantum key distribution protocol using continuous-variable non-Gaussian states, homodyne detection and post-selection. The employed signal states are the photon added then subtracted coherent states (PASCS) in which one photon is added and subsequently one photon is subtracted from the field. We analyze the performance of our protocol, compared with a coherent state-based protocol, for two different attacks that could be carried out by the eavesdropper (Eve). We calculate the secret key rate transmission in a lossy line for a superior channel (beam-splitter) attack, and we show that we may increase the secret key generation rate by using the non-Gaussian PASCS rather than coherent states. We also consider the simultaneous quadrature measurement (intercept-resend) attack, and we show that the efficiency of Eve’s attack is substantially reduced if PASCS are used as signal states.pt_BR
dc.relation.ispartofQuantum information processingpt_BR
dc.relation.ispartofabbreviationQuantum inf. process.pt_BR
dc.publisher.cityNew York, NYpt_BR
dc.publisher.countryEstados Unidospt_BR
dc.publisherSpringerpt_BR
dc.date.issued2016pt_BR
dc.date.monthofcirculationFeb.pt_BR
dc.identifier.citationQuantum Information Processing. Springer New York Llc, v. 15, n. 2, p. 893 - 904, 2016.pt_BR
dc.language.isoengpt_BR
dc.description.volume15pt_BR
dc.description.issuenumber2pt_BR
dc.description.firstpage893pt_BR
dc.description.lastpage904pt_BR
dc.rightsfechadopt_BR
dc.sourceSCOPUSpt_BR
dc.identifier.issn1570-0755pt_BR
dc.identifier.eissn1573-1332pt_BR
dc.identifier.doi10.1007/s11128-015-1193-8pt_BR
dc.identifier.urlhttps://link.springer.com/article/10.1007%2Fs11128-015-1193-8pt_BR
dc.description.sponsorshipCNPQ - CONSELHO NACIONAL DE DESENVOLVIMENTO CIENTÍFICO E TECNOLÓGICOpt_BR
dc.description.sponsorshipFAPESP - FUNDAÇÃO DE AMPARO À PESQUISA DO ESTADO DE SÃO PAULOpt_BR
dc.description.sponsorshipCAPES - COORDENAÇÃO DE APERFEIÇOAMENTO DE PESSOAL DE NÍVEL SUPERIORpt_BR
dc.description.sponsorship1CNPQ - CONSELHO NACIONAL DE DESENVOLVIMENTO CIENTÍFICO E TECNOLÓGICOpt_BR
dc.description.sponsorship1FAPESP - FUNDAÇÃO DE AMPARO À PESQUISA DO ESTADO DE SÃO PAULOpt_BR
dc.description.sponsorship1CAPES - COORDENAÇÃO DE APERFEIÇOAMENTO DE PESSOAL DE NÍVEL SUPERIORpt_BR
dc.description.sponsordocumentnumberSem informaçãopt_BR
dc.description.sponsordocumentnumberSem informaçãopt_BR
dc.description.sponsordocumentnumberSem informaçãopt_BR
dc.date.available2016-06-03T20:14:44Z-
dc.date.accessioned2016-06-03T20:14:44Z-
dc.description.provenanceMade available in DSpace on 2016-06-03T20:14:44Z (GMT). No. of bitstreams: 1 2-s2.0-84955383617.pdf: 1550453 bytes, checksum: 938f6275e98ba79ab3ed17ee01977bce (MD5) Previous issue date: 2016 Bitstreams deleted on 2020-09-02T13:39:52Z: 2-s2.0-84955383617.pdf,. Added 1 bitstream(s) on 2020-09-02T13:43:50Z : No. of bitstreams: 1 2-s2.0-84955383617.pdf: 1607000 bytes, checksum: 22bc9cda1d10661f21080f03ab27fdab (MD5)en
dc.identifier.urihttp://repositorio.unicamp.br/jspui/handle/REPOSIP/238265-
dc.contributor.departmentDepartamento de Eletrônica Quânticapt_BR
dc.contributor.departmentDepartamento de Eletrônica Quânticapt_BR
dc.contributor.departmentDepartamento de Eletrônica Quânticapt_BR
dc.contributor.departmentDepartamento de Eletrônica Quânticapt_BR
dc.contributor.unidadeInstituto de Física Gleb Wataghinpt_BR
dc.contributor.unidadeInstituto de Física Gleb Wataghinpt_BR
dc.contributor.unidadeInstituto de Física Gleb Wataghinpt_BR
dc.contributor.unidadeInstituto de Física Gleb Wataghinpt_BR
dc.subject.keywordContinuous variablespt_BR
dc.identifier.source2-s2.0-84955383617pt_BR
dc.creator.orcidSem informaçãopt_BR
dc.creator.orcidSem informaçãopt_BR
dc.creator.orcid0000-0002-6892-1573pt_BR
dc.creator.orcid0000-0002-6918-8764pt_BR
dc.type.formArtigopt_BR
dc.description.sponsorNoteThis work was partially supported by CNPq (Conselho Nacional de Desenvolvimento Científico e Tecnológico—INCT of Quantum Information), FAPESP (Fundação de Amparo à Pesquisa do Estado de São Paulo—CePOF of Optics and Photonics) and CAPES (Coordenação de Aperfeiçoamento de Pessoal de Ensino Superior), Brazil.pt_BR
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