{"@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/1361699995118051968.json","@type":"Article","productIdentifier":[{"identifier":{"@type":"DOI","@value":"10.1049/el.2010.2248"}},{"identifier":{"@type":"URI","@value":"https://digital-library.theiet.org/content/journals/10.1049/el.2010.2248?crawler=true&mimetype=application/pdf"}}],"dc:title":[{"@value":"Dual polarisation optical hybrid using silica-based planar lightwave circuit technology for digital coherent receiver"}],"description":[{"notation":[{"@value":"Described is a compact dual polarisation optical hybrid (DPOH) that has been achieved by integrating polarisation beam splitters and 90°-hybrids fabricated with silica-based planar lightwave circuit technology. The fabricated DPOH worked completely passively without any adjustments and its optical characteristics were sufficient for the coherent detection of 111°Gbit/s DPQPSK signals."}]}],"creator":[{"@id":"https://cir.nii.ac.jp/crid/1381699995118051968","@type":"Researcher","foaf:name":[{"@value":"Y. Sakamaki"}],"jpcoar:affiliationName":[{"@value":"NTT Photonics Laboratories, NTT Corporation, 3-1 Morinosato-Wakamiya, Atsugi, Kanagawa 243-0198, Japan"}]},{"@id":"https://cir.nii.ac.jp/crid/1381699995118051841","@type":"Researcher","foaf:name":[{"@value":"H. Yamazaki"}],"jpcoar:affiliationName":[{"@value":"NTT Photonics Laboratories, NTT Corporation, 3-1 Morinosato-Wakamiya, Atsugi, Kanagawa 243-0198, Japan"}]},{"@id":"https://cir.nii.ac.jp/crid/1381699995118051842","@type":"Researcher","foaf:name":[{"@value":"T. Mizuno"}],"jpcoar:affiliationName":[{"@value":"NTT Photonics Laboratories, NTT Corporation, 3-1 Morinosato-Wakamiya, Atsugi, Kanagawa 243-0198, Japan"}]},{"@id":"https://cir.nii.ac.jp/crid/1381699995118051845","@type":"Researcher","foaf:name":[{"@value":"T. Goh"}],"jpcoar:affiliationName":[{"@value":"NTT Photonics Laboratories, NTT Corporation, 3-1 Morinosato-Wakamiya, Atsugi, Kanagawa 243-0198, Japan"}]},{"@id":"https://cir.nii.ac.jp/crid/1381699995118051969","@type":"Researcher","foaf:name":[{"@value":"Y. Nasu"}],"jpcoar:affiliationName":[{"@value":"NTT Photonics Laboratories, NTT Corporation, 3-1 Morinosato-Wakamiya, Atsugi, Kanagawa 243-0198, Japan"}]},{"@id":"https://cir.nii.ac.jp/crid/1381699995118051840","@type":"Researcher","foaf:name":[{"@value":"T. 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