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dc.contributor.authorSephton, Bereneice
dc.contributor.authorVallés Marín, Adam
dc.contributor.authorSteinlechner, Fabian
dc.contributor.authorKonrad, Thomas
dc.contributor.authorPérez Torres, Juan
dc.contributor.authorRoux, Filippus S.
dc.contributor.authorForbes, Andrew
dc.contributor.otherUniversitat Politècnica de Catalunya. Departament de Teoria del Senyal i Comunicacions
dc.date.accessioned2019-03-14T14:23:13Z
dc.date.available2019-03-14T14:23:13Z
dc.date.issued2019-02-01
dc.identifier.citationSephton, B. [et al.]. Spatial mode detection by frequency upconversion. "Optics letters", 1 Febrer 2019, vol. 44, núm. 3, p. 586-589.
dc.identifier.issn0146-9592
dc.identifier.urihttp://hdl.handle.net/2117/130459
dc.description.abstractThe efficient creation and detection of spatial modes of light has become topical of late, driven by the need to increase photon bit-rates in classical and quantum communications. Such mode creation/detection is traditionally achieved with tools based on linear optics. Here we put forward a new spatial mode detection technique based on the nonlinear optical process of sum-frequency generation. We outline the concept theoretically and demonstrate it experimentally with intense laser beams carrying orbital angular momentum and Hermite–Gaussian modes. Finally, we show that the method can be used to transfer an image from the infrared band to the visible, which implies the efficient conversion of many spatial modes.
dc.format.extent4 p.
dc.language.isoeng
dc.rightsAttribution-NonCommercial-NoDerivs 3.0 Spain
dc.rights.urihttp://creativecommons.org/licenses/by-nc-nd/3.0/es/
dc.subjectÀrees temàtiques de la UPC::Enginyeria de la telecomunicació::Telecomunicació òptica::Fotònica
dc.subject.lcshPhotonics
dc.titleSpatial mode detection by frequency upconversion
dc.typeArticle
dc.subject.lemacFotònica
dc.contributor.groupUniversitat Politècnica de Catalunya. FOTONICA - Grup de Recerca de Fotònica
dc.identifier.doi10.1364/OL.44.000586
dc.description.peerreviewedPeer Reviewed
dc.relation.publisherversionhttps://www.osapublishing.org/ol/abstract.cfm?uri=ol-44-3-586
dc.rights.accessOpen Access
local.identifier.drac23938755
dc.description.versionPostprint (published version)
local.citation.authorSephton, B.; Vallés, A.; Steinlechner, F.; Konrad, T.; Juan P. Torres; Roux, F.; Forbes, A.
local.citation.publicationNameOptics letters
local.citation.volume44
local.citation.number3
local.citation.startingPage586
local.citation.endingPage589


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