Angle-tuned, evanescently-decoupled reflector for high-efficiency red light-emitting diode

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dc.contributor.authorKim, Sun-Kyungko
dc.contributor.authorCho, Hyun-Kyongko
dc.contributor.authorPark, Kyung-Keunko
dc.contributor.authorJang, Jun-Hoko
dc.contributor.authorLee, Jeong-Sooko
dc.contributor.authorPark, Kyung-Wookko
dc.contributor.authorPark, Young-Hoko
dc.contributor.authorKim, Ju-Youngko
dc.contributor.authorLee, Yong-Heeko
dc.date.accessioned2010-12-06T04:58:50Z-
dc.date.available2010-12-06T04:58:50Z-
dc.date.created2012-02-06-
dc.date.created2012-02-06-
dc.date.issued2008-04-
dc.identifier.citationOPTICS EXPRESS, v.16, no.9, pp.6026 - 6032-
dc.identifier.issn1094-4087-
dc.identifier.urihttp://hdl.handle.net/10203/20749-
dc.description.abstractWe propose and demonstrate evanescently-decoupled, solid-angleoptimized distributed Bragg reflectors (DBRs) for AlGaInP light-emitting diodes (LEDs). The thickness of each DBR layer is tuned to the wavelength slightly longer than the emission peak of the active medium in order to maximize the radiated power integrated over the top surface. In addition, to increase the horizontal radiation through the side facets, the glancing-angle reflectivity at the AlInP/AlAs interface is improved by employing an AlAs layer thicker than the attenuation length of the evanescent field. With the improved DBR, the integrated output power of AlGaInP LEDs is enhanced by a factor of 1.9 in comparison to those of LEDs with conventional DBRs. Additional 1.25-fold enhancement is observed by incorporating an square-lattice hole array (a = 1200nm) into the top GaP surface by a conventional photolithography. (c) 2008 Optical Society of America.-
dc.languageEnglish-
dc.language.isoen_USen
dc.publisherOPTICAL SOC AMER-
dc.subjectEXTRACTION EFFICIENCY-
dc.subjectQUANTUM EFFICIENCY-
dc.titleAngle-tuned, evanescently-decoupled reflector for high-efficiency red light-emitting diode-
dc.typeArticle-
dc.identifier.wosid000255663000007-
dc.identifier.scopusid2-s2.0-43049105436-
dc.type.rimsART-
dc.citation.volume16-
dc.citation.issue9-
dc.citation.beginningpage6026-
dc.citation.endingpage6032-
dc.citation.publicationnameOPTICS EXPRESS-
dc.identifier.doi10.1364/OE.16.006026-
dc.embargo.liftdate9999-12-31-
dc.embargo.terms9999-12-31-
dc.contributor.localauthorLee, Yong-Hee-
dc.contributor.nonIdAuthorKim, Sun-Kyung-
dc.contributor.nonIdAuthorCho, Hyun-Kyong-
dc.contributor.nonIdAuthorPark, Kyung-Keun-
dc.contributor.nonIdAuthorJang, Jun-Ho-
dc.contributor.nonIdAuthorLee, Jeong-Soo-
dc.contributor.nonIdAuthorPark, Kyung-Wook-
dc.contributor.nonIdAuthorPark, Young-Ho-
dc.type.journalArticleArticle-
dc.subject.keywordPlusEXTRACTION EFFICIENCY-
dc.subject.keywordPlusQUANTUM EFFICIENCY-
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