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dc.contributor.authorDang, Cuongen
dc.contributor.authorLee, Joonheeen
dc.contributor.authorRoh, Kwangdongen
dc.contributor.authorKim, Hanbiten
dc.contributor.authorAhn, Sungmoen
dc.contributor.authorJeon, Heonsuen
dc.contributor.authorBreen, Craigen
dc.contributor.authorSteekel, Jonathan S.en
dc.contributor.authorCoe-Sullivan, Sethen
dc.contributor.authorNurmikko, Artoen
dc.identifier.citationDang, C., Lee, J., Roh, K., Kim, H., Ahn, S., Jeon, H., et al. (2013). Highly efficient, spatially coherent distributed feedback lasers from dense colloidal quantum dot films. Applied Physics Letters, 103, 171104-.en
dc.description.abstractColloidal quantum dots (CQD) are now making their entry to full-color displays, endowed by their brightness and single-material base. By contrast, many obstacles have been encountered in their use towards lasers. We demonstrate here optically pumped distributed feedback (DFB) lasers, based on close-packed, solid films self-assembled from type-I CQDs. Notably, the single mode CQD-DFB lasers could reach such a low threshold as to be pumpable with a compact pulsed source in a quasi-continuous wave regime. Our results show the spatially and temporally coherent laser beam outputs with power of 400 μW and a quantum efficiency of 32%.en
dc.relation.ispartofseriesApplied physics lettersen
dc.rights© 2013 AIP Publishing LLC. This is the author created version of a work that has been peer reviewed and accepted for publication by Applied Physics Letters, AIP Publishing LLC. It incorporates referee’s comments but changes resulting from the publishing process, such as copyediting, structural formatting, may not be reflected in this document. The published version is available at: [].en
dc.subjectDRNTU::Engineering::Electrical and electronic engineeringen
dc.titleHighly efficient, spatially coherent distributed feedback lasers from dense colloidal quantum dot filmsen
dc.typeJournal Articleen
dc.contributor.schoolSchool of Electrical and Electronic Engineeringen
dc.description.versionAccepted versionen
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