Full metadata record
DC Field | Value | Language |
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dc.citation.number | 1 | - |
dc.citation.startPage | 4437 | - |
dc.citation.title | NATURE COMMUNICATIONS | - |
dc.citation.volume | 12 | - |
dc.contributor.author | Moon, Byeong-Seok | - |
dc.contributor.author | Lee, Tae Kyung | - |
dc.contributor.author | Jeon, Woo Cheol | - |
dc.contributor.author | Kwak, Sang Kyu | - |
dc.contributor.author | Kim, Young-Jin | - |
dc.contributor.author | Kim, Dong-Hwan | - |
dc.date.accessioned | 2023-12-21T15:38:14Z | - |
dc.date.available | 2023-12-21T15:38:14Z | - |
dc.date.created | 2021-08-20 | - |
dc.date.issued | 2021-07 | - |
dc.description.abstract | Microscale 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.identifier.bibliographicCitation | NATURE COMMUNICATIONS, v.12, no.1, pp.4437 | - |
dc.identifier.doi | 10.1038/s41467-021-24751-z | - |
dc.identifier.issn | 2041-1723 | - |
dc.identifier.scopusid | 2-s2.0-85110947829 | - |
dc.identifier.uri | https://scholarworks.unist.ac.kr/handle/201301/53865 | - |
dc.identifier.url | https://www.nature.com/articles/s41467-021-24751-z | - |
dc.identifier.wosid | 000679964000007 | - |
dc.language | 영어 | - |
dc.publisher | NATURE RESEARCH | - |
dc.title | Continuous-wave upconversion lasing with a sub-10 W cm(-2) threshold enabled by atomic disorder in the host matrix | - |
dc.type | Article | - |
dc.description.isOpenAccess | TRUE | - |
dc.relation.journalWebOfScienceCategory | Multidisciplinary Sciences | - |
dc.relation.journalResearchArea | Science & Technology - Other Topics | - |
dc.type.docType | Article | - |
dc.description.journalRegisteredClass | scie | - |
dc.description.journalRegisteredClass | scopus | - |
dc.subject.keywordPlus | ENERGY-TRANSFER | - |
dc.subject.keywordPlus | LASER | - |
dc.subject.keywordPlus | NANOPARTICLES | - |
dc.subject.keywordPlus | MICROCAVITY | - |
dc.subject.keywordPlus | EMISSION | - |
dc.subject.keywordPlus | IONS | - |
dc.subject.keywordPlus | GAP | - |
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