{"@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/1361137046359331968.json","@type":"Article","productIdentifier":[{"identifier":{"@type":"DOI","@value":"10.1038/ncomms3097"}},{"identifier":{"@type":"URI","@value":"https://www.nature.com/articles/ncomms3097.pdf"}},{"identifier":{"@type":"URI","@value":"https://www.nature.com/articles/ncomms3097"}}],"dc:title":[{"@value":"Microwave synthesizer using an on-chip Brillouin oscillator"}],"description":[{"type":"abstract","notation":[{"@value":"<jats:title>Abstract</jats:title><jats:p>Low-phase-noise microwave oscillators are important to a wide range of subjects, including communications, radar and metrology. Photonic-based microwave-wave sources now provide record, close-to-carrier phase-noise performance, and compact sources using microcavities are available commercially. Photonics-based solutions address a challenging scaling problem in electronics, increasing attenuation with frequency. A second scaling challenge, however, is to maintain low phase noise in reduced form factor and even integrated systems. On this second front, there has been remarkable progress in the area of microcavity devices with large storage time (high optical quality factor). Here we report generation of highly coherent microwaves using a chip-based device that derives stability from high optical quality factor. The device has a record low electronic white-phase-noise floor for a microcavity-based oscillator and is used as the optical, voltage-controlled oscillator in the first demonstration of a photonic-based, microwave frequency synthesizer. The synthesizer performance is comparable to mid-range commercial devices.</jats:p>"}]}],"creator":[{"@id":"https://cir.nii.ac.jp/crid/1381137046359331969","@type":"Researcher","foaf:name":[{"@value":"Jiang Li"}]},{"@id":"https://cir.nii.ac.jp/crid/1381137046359331968","@type":"Researcher","foaf:name":[{"@value":"Hansuek Lee"}]},{"@id":"https://cir.nii.ac.jp/crid/1381137046359331840","@type":"Researcher","foaf:name":[{"@value":"Kerry J. Vahala"}]}],"publication":{"publicationIdentifier":[{"@type":"EISSN","@value":"20411723"}],"prism:publicationName":[{"@value":"Nature Communications"}],"dc:publisher":[{"@value":"Springer Science and Business Media LLC"}],"prism:publicationDate":"2013-06-28","prism:volume":"4","prism:number":"1","prism:startingPage":"2097"},"reviewed":"false","dc:rights":["https://creativecommons.org/licenses/by/3.0/","https://creativecommons.org/licenses/by/3.0/"],"url":[{"@id":"https://www.nature.com/articles/ncomms3097.pdf"},{"@id":"https://www.nature.com/articles/ncomms3097"}],"createdAt":"2013-06-28","modifiedAt":"2023-01-06","relatedProduct":[{"@id":"https://cir.nii.ac.jp/crid/1360002219363789184","@type":"Article","resourceType":"学術雑誌論文(journal article)","relationType":["isReferencedBy"],"jpcoar:relatedTitle":[{"@value":"Stimulated Brillouin scattering and Brillouin-coupled four-wave-mixing in a silica microbottle resonator"}]},{"@id":"https://cir.nii.ac.jp/crid/1360021391861156608","@type":"Article","resourceType":"学術雑誌論文(journal article)","relationType":["isReferencedBy"],"jpcoar:relatedTitle":[{"@value":"Optical-referenceless optical frequency counter with twelve-digit absolute accuracy"}]},{"@id":"https://cir.nii.ac.jp/crid/1360298754814219520","@type":"Article","resourceType":"学術雑誌論文(journal article)","relationType":["isReferencedBy"],"jpcoar:relatedTitle":[{"@value":"Single-frequency fiber Fabry–Perot Brillouin laser"}]},{"@id":"https://cir.nii.ac.jp/crid/1360298757205162624","@type":"Article","resourceType":"学術雑誌論文(journal article)","relationType":["isReferencedBy"],"jpcoar:relatedTitle":[{"@value":"Strong optomechanical interactions with long-lived fundamental acoustic waves"}]},{"@id":"https://cir.nii.ac.jp/crid/1360567183877117952","@type":"Article","resourceType":"学術雑誌論文(journal article)","relationType":["isReferencedBy"],"jpcoar:relatedTitle":[{"@value":"Brillouin lasing in coupled silica toroid microcavities"}]},{"@id":"https://cir.nii.ac.jp/crid/1360846641788327040","@type":"Article","resourceType":"学術雑誌論文(journal article)","relationType":["isReferencedBy"],"jpcoar:relatedTitle":[{"@value":"Ultralow-phase-noise millimetre-wave signal generator assisted with an electro-optics-modulator-based optical frequency comb"}]}],"dataSourceIdentifier":[{"@type":"CROSSREF","@value":"10.1038/ncomms3097"},{"@type":"CROSSREF","@value":"10.1364/oe.24.012082_references_DOI_2L1D3DzilChQN5YU7oY2WC1yXqz"},{"@type":"CROSSREF","@value":"10.1038/s41598-023-35674-8_references_DOI_2L1D3DzilChQN5YU7oY2WC1yXqz"},{"@type":"CROSSREF","@value":"10.1364/ol.472199_references_DOI_2L1D3DzilChQN5YU7oY2WC1yXqz"},{"@type":"CROSSREF","@value":"10.1364/optica.476764_references_DOI_2L1D3DzilChQN5YU7oY2WC1yXqz"},{"@type":"CROSSREF","@value":"10.1063/1.5021062_references_DOI_2L1D3DzilChQN5YU7oY2WC1yXqz"},{"@type":"CROSSREF","@value":"10.1038/srep24621_references_DOI_2L1D3DzilChQN5YU7oY2WC1yXqz"}]}