{"@context":{"@vocab":"https://cir.nii.ac.jp/schema/1.0/","rdfs":"http://www.w3.org/2000/01/rdf-schema#","dc":"http://purl.org/dc/elements/1.1/","dcterms":"http://purl.org/dc/terms/","foaf":"http://xmlns.com/foaf/0.1/","prism":"http://prismstandard.org/namespaces/basic/2.0/","cinii":"http://ci.nii.ac.jp/ns/1.0/","datacite":"https://schema.datacite.org/meta/kernel-4/","ndl":"http://ndl.go.jp/dcndl/terms/","jpcoar":"https://github.com/JPCOAR/schema/blob/master/2.0/"},"@id":"https://cir.nii.ac.jp/crid/1050856428650032768.json","@type":"Article","productIdentifier":[{"identifier":{"@type":"URI","@value":"http://id.nii.ac.jp/1394/00002496/"}},{"identifier":{"@type":"DOI","@value":"10.1364/prj.459561"}},{"identifier":{"@type":"URI","@value":"https://opg.optica.org/viewmedia.cfm?URI=prj-10-9-2073&seq=0"}}],"resourceType":"学術雑誌論文(journal article)","dc:title":[{"@language":"en","@value":"Blue band nonlinear optics and photodarkening in silica microdevices"}],"dc:language":"en","description":[{"type":"Other","notation":[{"@value":"There are extensive studies to date on optical nonlinearities in microcavities at the near and mid-IR wavelengths. Pushing this research into the visible region is equally valuable. Here, we demonstrate a directly pumped, blue band Kerr frequency comb and stimulated Raman scattering (SRS) at 462 nm in a silica nanofiber-coupled whispering gallery microcavity system. Notably, due to the high optical intensities achieved, photodarkening is unavoidable and can quickly degrade the optical quality of both the coupling optical nanofiber and the microcavity, even at very low pump powers. Nonetheless, stable hyperparametric oscillation and SRS are demonstrated in the presence of photodarkening by taking advantage of in-situ thermal bleaching. This work highlights the challenges of silica-based, short wavelength nonlinear optics in high-quality, small mode volume devices and gives an effective method to overcome this apparent limitation, thus providing a baseline for optics research in the blue region for any optical devices fabricated from silica."}]},{"type":"Other","notation":[{"@value":"source:https://opg.optica.org/prj/fulltext.cfm?uri=prj-10-9-2073"}]}],"creator":[{"@id":"https://cir.nii.ac.jp/crid/1420287993513671552","@type":"Researcher","personIdentifier":[{"@type":"KAKEN_RESEARCHERS","@value":"90914218"},{"@type":"NRID","@value":"1000090914218"}],"foaf:name":[{"@language":"en","@value":"Ke, Tian"}]},{"@id":"https://cir.nii.ac.jp/crid/1070856428650032772","@type":"Researcher","foaf:name":[{"@language":"en","@value":"Jibo, Yu"}]},{"@id":"https://cir.nii.ac.jp/crid/1070856428650032768","@type":"Researcher","foaf:name":[{"@language":"en","@value":"Fuchuan, Lei"}]},{"@id":"https://cir.nii.ac.jp/crid/1070856428650032774","@type":"Researcher","foaf:name":[{"@language":"en","@value":"Jonathan, Ward"}]},{"@id":"https://cir.nii.ac.jp/crid/1070856428650032770","@type":"Researcher","foaf:name":[{"@language":"en","@value":"Angzhen, Li"}]},{"@id":"https://cir.nii.ac.jp/crid/1070856428650032771","@type":"Researcher","foaf:name":[{"@language":"en","@value":"Pengfei, Wang"}]},{"@id":"https://cir.nii.ac.jp/crid/1070856428650032773","@type":"Researcher","foaf:name":[{"@language":"en","@value":"Síle, Nic Chormaic"}]}],"publication":{"publicationIdentifier":[{"@type":"ISSN","@value":"23279125"},{"@type":"EISSN","@value":"23279125"}],"prism:publicationName":[{"@value":"Photonics Research"}],"dc:publisher":[{"@value":"Chinese Laser Press"},{"@value":"Optica Publishing Group"}],"prism:publicationDate":"2022-08-15","prism:volume":"10","prism:number":"9","prism:startingPage":"2073","prism:endingPage":"2080"},"reviewed":"false","dcterms:accessRights":"http://purl.org/coar/access_right/c_abf2","dc:rights":["© 2022 Chinese Laser Press","© 2022 Optica Publishing Group. Users may use, reuse, and build upon the article, or use the article for text or data mining, so long as such uses are for non-commercial purposes and appropriate attribution is maintained. All other rights are reserved."],"url":[{"@id":"http://id.nii.ac.jp/1394/00002496/"},{"@id":"https://opg.optica.org/viewmedia.cfm?URI=prj-10-9-2073&seq=0"}],"createdAt":"2022-08-22","project":[{"@id":"https://cir.nii.ac.jp/crid/1040573407562009600","@type":"Project","projectIdentifier":[{"@type":"KAKEN","@value":"22K14621"},{"@type":"JGN","@value":"JP22K14621"},{"@type":"URI","@value":"https://kaken.nii.ac.jp/grant/KAKENHI-PROJECT-22K14621/"}],"notation":[{"@language":"en","@value":"Microbubble resonator dispersion engineering for blue-band soliton comb generation"}]}],"relatedProduct":[{"@id":"https://cir.nii.ac.jp/crid/1050001202592547072","@type":"Article","resourceType":"学術雑誌論文(journal article)","relationType":["references"],"jpcoar:relatedTitle":[{"@language":"en","@value":"Bandpass transmission spectra of a whispering-gallery microcavity coupled to an ultrathin fiber"}]},{"@id":"https://cir.nii.ac.jp/crid/1050285299914872704","@type":"Article","resourceType":"学術雑誌論文(journal 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