Amplified spontaneous emission and lasing in colloidal nanoplatelets

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dc.authorid0000-0003-1616-2728en_US
dc.authorid0000-0003-1793-112Xen_US
dc.authorid0000-0002-6250-6977
dc.contributor.authorGüzeltürk, Burak
dc.contributor.authorKelestemur, Yusuf
dc.contributor.authorOlutaş, Murat
dc.contributor.authorDelikanli, Savaş
dc.contributor.authorDemir, Hilmi Volkan
dc.date.accessioned2021-06-23T19:35:47Z
dc.date.available2021-06-23T19:35:47Z
dc.date.issued2014
dc.departmentBAİBÜ, Fen Edebiyat Fakültesi, Fizik Bölümüen_US
dc.description.abstractColloidal nanoplatelets (NPLs) have recently emerged as favorable light-emitting materials, which also show great potential as optical gain media due to their remarkable optical properties. In this work, we systematically investigate the optical gain performance of CdSe core and CdSe/Cds core/crown NPLs having different Cds crown size with one- and two-photon absorption pumping. The core/crown NPLs exhibit enhanced gain performance as compared to the core-only NPLs due to increased absorption cross section and the efficient interexciton funneling, which is from the CdS crown to the (de core. One- and two-photon absorption pumped amplified spontaneous emission thresholds are found as low as 41 mu J/cm(2) and 4.48 mJ/cm(2), respectively. These thresholds surpass the best reported optical gain performance of the state-of-the-art colloidal nanocrystals (i.e., quantum dots, nanorods, etc.) emitting in the same spectral range as the NPLs. Moreover, gain coefficient of the NPLs is measured as high as 650 cm(-1), which is 4-fold larger than the best reported gain coefficient of the colloidal quantum dots. Finally, we demonstrate a two-photon absorption pumped vertical cavity surface emitting laser of the NPLs with a lasing threshold as low as 2.49 mJ/cm(2). These excellent results are attributed to the superior properties of the NPLs as optical gain media.en_US
dc.identifier.doi10.1021/nn5022296
dc.identifier.endpage6605en_US
dc.identifier.issn1936-0851
dc.identifier.issn1936-086X
dc.identifier.issue7en_US
dc.identifier.pmid24882737en_US
dc.identifier.scopus2-s2.0-84904766446en_US
dc.identifier.scopusqualityQ1en_US
dc.identifier.startpage6599en_US
dc.identifier.urihttps://doi.org/10.1021/nn5022296
dc.identifier.urihttps://hdl.handle.net/20.500.12491/7867
dc.identifier.volume8en_US
dc.identifier.wosWOS:000339463100013en_US
dc.identifier.wosqualityQ1en_US
dc.indekslendigikaynakWeb of Scienceen_US
dc.indekslendigikaynakScopusen_US
dc.indekslendigikaynakPubMeden_US
dc.institutionauthorOlutaş, Murat
dc.language.isoenen_US
dc.publisherAmerican Chemical Societyen_US
dc.relation.ispartofACS Nanoen_US
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanıen_US
dc.rightsinfo:eu-repo/semantics/openAccessen_US
dc.subjectAmplified Spontaneous Emissionen_US
dc.subjectColloidal Nanoplateletsen_US
dc.subjectVertical Cavity Surface-emitting Laseren_US
dc.subjectOptical Gainen_US
dc.titleAmplified spontaneous emission and lasing in colloidal nanoplateletsen_US
dc.typeArticleen_US

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