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dc.contributor.authorGawali, Sandeep Babu
dc.contributor.authorGailevicius, Darius
dc.contributor.authorGarre Werner, Guillermo
dc.contributor.authorPurlys, Vytautas
dc.contributor.authorCojocaru, Crina
dc.contributor.authorTrull Silvestre, José Francisco
dc.contributor.authorMontiel Ponsoda, Joan
dc.contributor.authorStaliunas, Kestutis
dc.contributor.otherUniversitat Politècnica de Catalunya. Doctorat en Física Computacional i Aplicada
dc.contributor.otherUniversitat Politècnica de Catalunya. Departament de Física
dc.date.accessioned2020-01-22T17:34:20Z
dc.date.available2020-10-02T00:27:15Z
dc.date.issued2019-10-02
dc.identifier.citationGawali, S. [et al.]. Photonic crystal spatial filtering in broad aperture diode laser. "Applied physics letters", 2 Octubre 2019, vol. 115, núm. 14, p. 141104-1-141104-5.
dc.identifier.issn0003-6951
dc.identifier.urihttp://hdl.handle.net/2117/175465
dc.description.abstractBroad aperture semiconductor lasers usually suffer from low spatial quality of the emitted beams. Due to the highly compact character of such lasers, the use of conventional intracavity spatial filters is problematic. We demonstrate that extremely compact photonic crystal spatial filters, incorporated into a laser resonator, can improve the beam spatial quality and, correspondingly, increase the brightness of the emitted radiation. We report the decrease in the M2 value from 47 down to 28 due to photonic crystal spatial intracavity filtering and the increase in the brightness by a factor of 1.5, giving a proof of principle of intracavity photonic crystal spatial filtering in broad area semiconductor lasers.
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::Física
dc.subject.lcshPhotonic crystals
dc.subject.lcshLasers
dc.subject.otherSemiconductor lasers
dc.subject.otherGaussian beam optics
dc.subject.otherOptical devices
dc.subject.otherMicrofabrication
dc.subject.otherLenses
dc.subject.otherPhotonic crystals
dc.subject.otherBessel beam
dc.titlePhotonic crystal spatial filtering in broad aperture diode laser
dc.typeArticle
dc.subject.lemacCristalls fotònics
dc.subject.lemacLàsers
dc.contributor.groupUniversitat Politècnica de Catalunya. DONLL - Dinàmica no Lineal, Òptica no Lineal i Làsers
dc.identifier.doi10.1063/1.5113780
dc.description.peerreviewedPeer Reviewed
dc.relation.publisherversionhttps://aip.scitation.org/doi/10.1063/1.5113780
dc.rights.accessOpen Access
local.identifier.drac26571207
dc.description.versionPostprint (published version)
local.citation.authorGawali, S.; Gailevicius, D.; Garre, G.; Purlys, V.; Cojocaru, C.; Trull, J.; Montiel, J.; Staliunas, K.
local.citation.publicationNameApplied physics letters
local.citation.volume115
local.citation.number14
local.citation.startingPage141104-1
local.citation.endingPage141104-5


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