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Frequency selective optoelectronic downconversion of a Terahertz Pulse Using ErAs:In(Al)GaAs Photoconductors

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dc.affiliation.dptoUC3M. Departamento de Tecnología Electrónicaes
dc.affiliation.grupoinvUC3M. Grupo de Investigación: Sensores y Técnicas de Instrumentaciónes
dc.contributor.authorFernandez Olvera, Anuar De Jesus
dc.contributor.authorKrause, Benedikt Leander
dc.contributor.authorBetancur Pérez, Andrés Felipe
dc.contributor.authorNandi, Uttam
dc.contributor.authorDios Fernández, Cristina de
dc.contributor.authorAcedo Gallardo, Pablo
dc.contributor.authorPreu, Sascha
dc.contributor.funderEuropean Commissionen
dc.date.accessioned2023-05-23T08:23:15Z
dc.date.available2023-05-23T08:23:15Z
dc.date.issued2021-07-02
dc.description.abstractWe introduce a new scheme for the detection of terahertz pulses based on the frequency selective optoelectronic downconversion of its individual modes with a continous-wave (CW) ErAs:InGaAs photoconductive antenna (PCA) driven by a comb-based CW photonic signal. The detection scheme can be used as metrology tool for the analysis of the fundamental resolution and stability limits of terahertz pulses and the mode-locked-lasers (MLLs) that drives them, as well as an ultra-high-resolution measurement technique for terahertz components or gas spectroscopy. We demonstrate both applications by measuring the linewidth of two frequency components of the particular terahertz pulse analyzed here (one at 75 GHz and one at 340 GHz) and by measuring a very narrowband filter between 70 and 80 GHz. The main advantage of this technique with respect to other terahertz pulse detection schemes is its capability of performing ultra-high-resolution measurements without the need of unpractically long scanning ranges or synchronization of two MLLs.en
dc.description.sponsorshipThis work was supported in part by the European Union Marie Curie Sklodowska Actions through the Innovative Training Network (ITN), (CELTA) under Project 675683, and in part by the European Starting Grant (ERC) (Pho-T-Lyze) under Project 713780.en
dc.description.statusPublicadoes
dc.format.extent9
dc.identifier.bibliographicCitationIEEE Access, (2021), 9, pp.: 95391-95400
dc.identifier.doihttp://dx.doi.org/10.1109/ACCESS.2021.3094358
dc.identifier.issn2169-3536
dc.identifier.publicationfirstpage95391
dc.identifier.publicationlastpage95400
dc.identifier.publicationtitleIEEE Access
dc.identifier.publicationvolume9
dc.identifier.urihttps://hdl.handle.net/10016/37335en
dc.identifier.uxxiAR/0000032799
dc.language.isoengen
dc.publisherIEEEen
dc.relation.projectIDinfo:eu-repo/grantAgreement/EC/675683en
dc.relation.projectIDinfo:eu-repo/grantAgreement/EC/713780en
dc.rightsAtribución-NoComercial-SinDerivadas 3.0 España
dc.rightsThis work is licensed under a Creative Commons Attribution 4.0 License. For more information, see https://creativecommons.org/licenses/by/4.0/en
dc.rights.accessRightsopen accessen
dc.rights.urihttp://creativecommons.org/licenses/by-nc-nd/3.0/es/en
dc.subject.ecienciaTelecomunicacioneses
dc.subject.otherFresoden
dc.subject.otherCW photoconductive detectorsen
dc.subject.otherEras:In(Ai)Gaas photoconductorsen
dc.subject.otherNoise in mode-locked lasersen
dc.subject.otherPulse terahertz emittersen
dc.subject.otherfrequency metrologyen
dc.titleFrequency selective optoelectronic downconversion of a Terahertz Pulse Using ErAs:In(Al)GaAs Photoconductorsen
dc.typeresearch article*
dc.type.hasVersionVoR*
dspace.entity.typePublication
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