Broadband quantum dot micro-light-emitting diodes with parabolic sidewalls

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dc.contributor.authorTanriseven, Selim
dc.contributor.authorMaaskant, Pleun P.
dc.contributor.authorCorbett, Brian M.
dc.contributor.funderScience Foundation Ireland
dc.date.accessioned2017-07-28T11:47:33Z
dc.date.available2017-07-28T11:47:33Z
dc.date.issued2008
dc.description.abstractArrays of long wavelength, self-organized InGaAs quantum dot micron sized light-emitting diodes (mu-LEDs) with parabolic sidewalls are introduced. The parabolic profiles of the mu-LEDs produced by resist reflow and controlled dry etching improve the extraction efficiency from the LEDs by redirection of the light into the escape cone by reflection from the sidewalls. A fourfold increase in the substrate emitted power density compared to a reference planar LED is measured. The reflected light is verified to be azimuthally polarized. The spectral width of the emission can be greater than 200 nm. (C) 2008 American Institute of Physics. (DOI: 10.1063/1.2898731)en
dc.description.sponsorshipScience Foundation Ireland (National Access Programme)en
dc.description.statusPeer revieweden
dc.description.versionPublished Versionen
dc.format.mimetypeapplication/pdfen
dc.identifier.articleid123501
dc.identifier.citationTanriseven, S., Maaskant, P. and Corbett, B. (2008) 'Broadband quantum dot micro-light-emitting diodes with parabolic sidewalls', Applied Physics Letters, 92(12), pp. 123501. doi: 10.1063/1.2898731en
dc.identifier.doi10.1063/1.2898731
dc.identifier.endpage3
dc.identifier.issn0003-6951
dc.identifier.issn1077-3118
dc.identifier.issued12
dc.identifier.journaltitleApplied Physics Lettersen
dc.identifier.startpage1
dc.identifier.urihttps://hdl.handle.net/10468/4372
dc.identifier.volume92
dc.language.isoenen
dc.publisherAIP Publishingen
dc.relation.urihttp://aip.scitation.org/doi/abs/10.1063/1.2898731
dc.rights© 2008 American Institute of Physics.This article may be downloaded for personal use only. Any other use requires prior permission of the author and AIP Publishing. The following article appeared in Tanriseven, S., Maaskant, P. and Corbett, B. (2008) 'Broadband quantum dot micro-light-emitting diodes with parabolic sidewalls', Applied Physics Letters, 92(12), pp. 123501 and may be found at http://aip.scitation.org/doi/abs/10.1063/1.2898731en
dc.subjectEfficiencyen
dc.subjectLasersen
dc.subjectLight emitting diodesen
dc.subjectQuantum dotsen
dc.subjectIII-V semiconductorsen
dc.subjectEmission spectraen
dc.subjectCharge injectionen
dc.titleBroadband quantum dot micro-light-emitting diodes with parabolic sidewallsen
dc.typeArticle (peer-reviewed)en
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