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dc.contributor.authorPanettieri, Danilo
dc.contributor.authorO'Faolain, Liam
dc.contributor.authorGrande, Marco
dc.date.accessioned2016-09-28T09:30:11Z
dc.date.available2016-09-28T09:30:11Z
dc.date.issued2016-08-23
dc.identifier245888702
dc.identifier7a289990-a27d-48df-9865-0bcef463a58c
dc.identifier84985931267
dc.identifier000389537400383
dc.identifier.citationPanettieri , D , O'Faolain , L & Grande , M 2016 , Control of Q-factor in nanobeam cavities on substrate . in 2016 18th International Conference on Transparent Optical Networks, ICTON 2016 . , 7550638 , IEEE , 18th International Conference on Transparent Optical Networks, ICTON 2016 , Trento , Italy , 10/07/16 . https://doi.org/10.1109/ICTON.2016.7550638en
dc.identifier.citationconferenceen
dc.identifier.isbn9781509014675
dc.identifier.urihttps://hdl.handle.net/10023/9567
dc.description.abstractIn this paper, we demonstrate how to efficiently control the quality factor of silicon nitride nanobeam cavities, grown on a silica substrate and embedded in an upper cladding, by engineering the nanobeam cross-section and the shape of the periodic holes. We propose optimized configurations that are able to overcome the decreasing of the Q-factor when the nanobeam is embedded in an asymmetric medium. More precisely, we show that the maximum achievable quality factor can be designed and tuned in asymmetric configurations where the upper cladding is particularly different from the substrate one. These optimized configurations exhibit high-Q factor and small mode volume over a wide range of the upper cladding refractive index paving the way for the realization of innovative optical sensors and for the compensation of fabrication tolerances in embedded optical nanobeam cavities.
dc.format.extent4
dc.format.extent365685
dc.language.isoeng
dc.publisherIEEE
dc.relation.ispartof2016 18th International Conference on Transparent Optical Networks, ICTON 2016en
dc.subjectAsymmetric structuresen
dc.subjectCavitiesen
dc.subjectLow contrast waveguidesen
dc.subjectNanobeamsen
dc.subjectSensingen
dc.subjectQC Physicsen
dc.subjectTK Electrical engineering. Electronics Nuclear engineeringen
dc.subjectComputer Networks and Communicationsen
dc.subjectElectrical and Electronic Engineeringen
dc.subjectElectronic, Optical and Magnetic Materialsen
dc.subjectNDASen
dc.subject.lccQCen
dc.subject.lccTKen
dc.titleControl of Q-factor in nanobeam cavities on substrateen
dc.typeConference itemen
dc.contributor.sponsorEuropean Research Councilen
dc.contributor.institutionUniversity of St Andrews. School of Physics and Astronomyen
dc.contributor.institutionUniversity of St Andrews. Microphotonics and Photonic Crystals Groupen
dc.identifier.doi10.1109/ICTON.2016.7550638
dc.identifier.grantnumber337508 337508en


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