Continuous-wave upconversion lasing with a sub-10 W cm(-2) threshold enabled by atomic disorder in the host matrix

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dc.contributor.authorMoon, Byeong-Seokko
dc.contributor.authorLee, Tae Kyungko
dc.contributor.authorJeon, Woo Cheolko
dc.contributor.authorKwak, Sang Kyuko
dc.contributor.authorKim, Young-Jinko
dc.contributor.authorKim, Dong-Hwanko
dc.date.accessioned2021-08-18T05:10:08Z-
dc.date.available2021-08-18T05:10:08Z-
dc.date.created2021-08-18-
dc.date.created2021-08-18-
dc.date.issued2021-07-
dc.identifier.citationNATURE COMMUNICATIONS, v.12, no.1-
dc.identifier.issn2041-1723-
dc.identifier.urihttp://hdl.handle.net/10203/287205-
dc.description.abstractMicroscale lasers efficiently deliver coherent photons into small volumes for intracellular biosensors and all-photonic microprocessors. Such technologies have given rise to a compelling pursuit of ever-smaller and ever-more-efficient microlasers. Upconversion microlasers have great potential owing to their large anti-Stokes shifts but have lagged behind other microlasers due to their high pump power requirement for population inversion of multiphoton-excited states. Here, we demonstrate continuous-wave upconversion lasing at an ultralow lasing threshold (4.7Wcm(-2)) by adopting monolithic whispering-gallery-mode microspheres synthesized by laser-induced liquefaction of upconversion nanoparticles and subsequent rapid quenching ("liquid-quenching"). Liquid-quenching completely integrates upconversion nanoparticles to provide high pump-to-gain interaction with low intracavity losses for efficient lasing. Atomic-scale disorder in the liquid-quenched host matrix suppresses phonon-assisted energy back transfer to achieve efficient population inversion. Narrow laser lines were spectrally tuned by up to 3.56nm by injection pump power and operation temperature adjustments. Our low-threshold, wavelength-tunable, and continuous-wave upconversion microlaser with a narrow linewidth represents the anti-Stokes-shift microlaser that is competitive against state-of-the-art Stokes-shift microlasers, which paves the way for high-resolution atomic spectroscopy, biomedical quantitative phase imaging, and high-speed optical communication via wavelength-division-multiplexing. Upconversion microlasers present a lot of advantages but also require high pumping powers. Here the authors present a high-performing microlaser based on anti-Stokes-shift in upconversion nanoparticles synthesized using a technique of liquid quenching.-
dc.languageEnglish-
dc.publisherNATURE RESEARCH-
dc.titleContinuous-wave upconversion lasing with a sub-10 W cm(-2) threshold enabled by atomic disorder in the host matrix-
dc.typeArticle-
dc.identifier.wosid000679964000007-
dc.identifier.scopusid2-s2.0-85110947829-
dc.type.rimsART-
dc.citation.volume12-
dc.citation.issue1-
dc.citation.publicationnameNATURE COMMUNICATIONS-
dc.identifier.doi10.1038/s41467-021-24751-z-
dc.contributor.localauthorKim, Young-Jin-
dc.contributor.nonIdAuthorMoon, Byeong-Seok-
dc.contributor.nonIdAuthorLee, Tae Kyung-
dc.contributor.nonIdAuthorJeon, Woo Cheol-
dc.contributor.nonIdAuthorKwak, Sang Kyu-
dc.contributor.nonIdAuthorKim, Dong-Hwan-
dc.description.isOpenAccessY-
dc.type.journalArticleArticle-
dc.subject.keywordPlusENERGY-TRANSFER-
dc.subject.keywordPlusLASER-
dc.subject.keywordPlusNANOPARTICLES-
dc.subject.keywordPlusMICROCAVITY-
dc.subject.keywordPlusEMISSION-
dc.subject.keywordPlusIONS-
dc.subject.keywordPlusGAP-
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