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Toroidal dipolar excitations in all-dielectric nanostructures

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Xu, Lei; Saadabad, Reza; Cai, Marcus; Miroshnichenko, Andrey

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We have numerically investigated toroidal dipolar excitation at optical frequencies in Si nanostructures. Our results show that, through either special structured pump illumination, or by adding an additional layer associated with geometric tuning, we are able to excite strong toroidal dipolar responses with suppressed electric dipolar excitations. These findings may further pave the way to exploit future applications of toroidal resonances including optical nonlinear enhancement, induced...[Show more]

dc.contributor.authorXu, Lei
dc.contributor.authorSaadabad, Reza
dc.contributor.authorCai, Marcus
dc.contributor.authorMiroshnichenko, Andrey
dc.coverage.spatialSt. Petersburg, Russian Federation
dc.date.accessioned2020-12-15T23:50:49Z
dc.date.available2020-12-15T23:50:49Z
dc.date.createdJuly 15-19 2019
dc.identifier.urihttp://hdl.handle.net/1885/217298
dc.description.abstractWe have numerically investigated toroidal dipolar excitation at optical frequencies in Si nanostructures. Our results show that, through either special structured pump illumination, or by adding an additional layer associated with geometric tuning, we are able to excite strong toroidal dipolar responses with suppressed electric dipolar excitations. These findings may further pave the way to exploit future applications of toroidal resonances including optical nonlinear enhancement, induced transparency for narrow-band filter, etc.
dc.format.mimetypeapplication/pdf
dc.language.isoen_AU
dc.publisherIOP Publishing
dc.relation.ispartof4th International Conference on Metamaterials and Nanophotonics, METANANO 2019
dc.rights© 2020
dc.rights.urihttps://creativecommons.org/licenses/by/3.0/
dc.titleToroidal dipolar excitations in all-dielectric nanostructures
dc.typeConference paper
local.description.notesImported from ARIES
local.description.refereedYes
dc.date.issued2020
local.identifier.absfor100711 - Nanophotonics
local.identifier.ariespublicationU4474173xPUB26
local.publisher.urlhttps://iopscience.iop.org/
local.type.statusPublished Version
local.contributor.affiliationXu, Lei, University of New South Wales
local.contributor.affiliationSaadabad, Reza, University of New South Wales
local.contributor.affiliationCai, Marcus, College of Science, ANU
local.contributor.affiliationMiroshnichenko, Andrey, University of New South Wales
local.bibliographicCitation.startpage1
local.bibliographicCitation.lastpage3
local.identifier.doi10.1088/1742-6596/1461/1/012191
local.identifier.absseo970102 - Expanding Knowledge in the Physical Sciences
dc.date.updated2020-07-26T08:18:06Z
dcterms.accessRightsOpen Access
dc.provenanceContent from this work may be used under the terms of the Creative Commons Attribution 3.0 licence. Any further distribution of this work must maintain attribution to the author(s) and the title of the work, journal citation and DOI. Published under licence by IOP Publishing Ltd
dc.rights.licenseCreative Commons Attribution 3.0 licence
CollectionsANU Research Publications

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