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dc.contributor.authorJiang, Boen_US
dc.contributor.authorZhu, Songen_US
dc.contributor.authorRen, Linhaoen_US
dc.contributor.authorShi, Leien_US
dc.contributor.authorZhang, Xinliangen_US
dc.identifier.citationJiang, B., Zhu, S., Ren, L., Shi, L. & Zhang, X. (2022). Simultaneous ultraviolet, visible, and near-infrared continuous-wave lasing in a rare-earth-doped microcavity. Advanced Photonics, 4(4), 46003-1-46003-8.
dc.description.abstractMicrolaser with multiple lasing bands is critical in various applications, such as full-color display, optical communications, and computing. Here, we propose a simple and efficient method for homogeneously doping rare earth elements into a silica whispering-gallery microcavity. By this method, an Er-Yb co-doped silica microsphere cavity with the highest quality (Q) factor (exceeding 108) among the rare-earth-doped microcavities is fabricated to demonstrate simultaneous and stable lasing covering ultraviolet, visible, and near-infrared bands under room temperature and a continuous-wave pump. The thresholds of all the lasing bands are estimated to be at the submilliwatt level, where both the ultraviolet and violet continuous wave upconversion lasing from rare earth elements has not been separately demonstrated under room temperature until this work. This ultrahigh-Q doped microcavity is an excellent platform for high-performance multiband microlasers, ultrahigh-precision sensors, optical memories, and cavity-enhanced light-matter interaction studies.en_US
dc.relation.ispartofAdvanced Photonicsen_US
dc.rights© The Authors. Published by SPIE and CLP under a Creative Commons Attribution 4.0 International License. Distribution or reproduction of this work in whole or in part requires full attribution of the original publication, including its DOI.en_US
dc.subjectEngineering::Electrical and electronic engineeringen_US
dc.titleSimultaneous ultraviolet, visible, and near-infrared continuous-wave lasing in a rare-earth-doped microcavityen_US
dc.typeJournal Articleen
dc.contributor.schoolSchool of Electrical and Electronic Engineeringen_US
dc.description.versionPublished versionen_US
dc.subject.keywordsMultiband Microlasersen_US
dc.subject.keywordsWhispering-Gallery Microcavitiesen_US
dc.description.acknowledgementThis work was supported by the National Natural Science Foundation of China (91850115, 11774110), the Fundamental Research Funds for the Central Universities (HUST: 2019kfyXKJC036, 2019kfyRCPY092), the State Key Laboratory of Advanced Optical Communication Systems and Networks (2021GZKF003), and the State Key Laboratory of Applied Optics (SKLAO2021001A10).en_US
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