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Boosting third-harmonic generation by a mirror-enhanced anapole resonator

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Xu, Lei; Rahmani, Mohsen; Kamali, Khosro; Lamprianidis, Aristeides; Ghirardini, Lavinia; Sautter, Jurgen; Camacho Morales, Rocio; Chen, Haitao; Parry, Matthew; Staude, Isabelle; Zhang, Guoquan; Neshev, Dragomir; Miroshnichenko, Andrey

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We demonstrate that a dielectric anapole resonator on a metallic mirror can enhance the third harmonic emission by two orders of magnitude compared to a typical anapole resonator on an insulator substrate. By employing a gold mirror under a silicon nanodisk, we introduce a novel characteristic of the anapole mode through the spatial overlap of resonantly excited Cartesian electric and toroidal dipole modes. This is a remarkable improvement on the early demonstrations of the anapole mode in...[Show more]

dc.contributor.authorXu, Lei
dc.contributor.authorRahmani, Mohsen
dc.contributor.authorKamali, Khosro
dc.contributor.authorLamprianidis, Aristeides
dc.contributor.authorGhirardini, Lavinia
dc.contributor.authorSautter, Jurgen
dc.contributor.authorCamacho Morales, Rocio
dc.contributor.authorChen, Haitao
dc.contributor.authorParry, Matthew
dc.contributor.authorStaude, Isabelle
dc.contributor.authorZhang, Guoquan
dc.contributor.authorNeshev, Dragomir
dc.contributor.authorMiroshnichenko, Andrey
dc.date.accessioned2019-09-23T06:46:58Z
dc.date.available2019-09-23T06:46:58Z
dc.identifier.issn2047-7538
dc.identifier.urihttp://hdl.handle.net/1885/170671
dc.description.abstractWe demonstrate that a dielectric anapole resonator on a metallic mirror can enhance the third harmonic emission by two orders of magnitude compared to a typical anapole resonator on an insulator substrate. By employing a gold mirror under a silicon nanodisk, we introduce a novel characteristic of the anapole mode through the spatial overlap of resonantly excited Cartesian electric and toroidal dipole modes. This is a remarkable improvement on the early demonstrations of the anapole mode in which the electric and toroidal modes interfere off-resonantly. Therefore, our system produces a significant near-field enhancement, facilitating the nonlinear process. Moreover, the mirror surface boosts the nonlinear emission via the free-charge oscillations within the interface, equivalent to producing a mirror-image of the nonlinear source and the pump beneath the interface. We found that these improvements result in an extremely high experimentally obtained efficiency of 0.01%
dc.format.mimetypeapplication/pdf
dc.language.isoen_AU
dc.publisherNature Publishing Group
dc.rights© The Author(s) 2018
dc.rights.urihttp://creativecommons.org/licenses/by/4.0/
dc.sourceLight: Science & Applications
dc.titleBoosting third-harmonic generation by a mirror-enhanced anapole resonator
dc.typeJournal article
local.description.notesImported from ARIES
local.identifier.citationvolume7
dc.date.issued2018
local.identifier.absfor020501 - Classical and Physical Optics
local.identifier.ariespublicationu9912193xPUB454
local.publisher.urlwww.nature.com/lsa
local.type.statusMetadata only
local.contributor.affiliationXu, Lei, University of New South Wales
local.contributor.affiliationRahmani, Mohsen, College of Science, ANU
local.contributor.affiliationKamali, Khosro, College of Science, ANU
local.contributor.affiliationLamprianidis, Aristeides, College of Science, ANU
local.contributor.affiliationGhirardini, Lavinia , College of Science, ANU
local.contributor.affiliationSautter, Jurgen, College of Science, ANU
local.contributor.affiliationCamacho Morales, Maria (Rocio), College of Science, ANU
local.contributor.affiliationChen, Haitao, College of Science, ANU
local.contributor.affiliationParry, Matthew, College of Science, ANU
local.contributor.affiliationStaude, Isabelle, Friedrich‐Schiller‐University Jena
local.contributor.affiliationZhang, Guoquan, Nankai University
local.contributor.affiliationNeshev, Dragomir, College of Science, ANU
local.contributor.affiliationMiroshnichenko, Andrey, University of New South Wales
local.bibliographicCitation.issue44
local.bibliographicCitation.startpage1
local.bibliographicCitation.lastpage8
local.identifier.doi10.1038/s41377-018-0051-8
local.identifier.absseo970102 - Expanding Knowledge in the Physical Sciences
dc.date.updated2019-04-14T08:42:16Z
local.identifier.scopusID2-s2.0-85050631335
local.identifier.thomsonID000440510500002
dcterms.accessRightsOpen Access
dc.provenanceThis article is licensed under a Creative Commons Attribution 4.0 International License, which permits use, sharing, adaptation, distribution and reproduction in any medium or format, as long as you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made. The images or other third party material in this article are included in the article’s Creative Commons license, unless indicated otherwise in a credit line to the material. If material is not included in the article’s Creative Commons license and your intended use is not permitted by statutory regulation or exceeds the permitted use, you will need to obtain permission directly from the copyright holder. To view a copy of this license, visit http://creativecommons.org/licenses/by/4.0/.
dc.rights.licenseCreative Commons Attribution 4.0 International License
CollectionsANU Research Publications

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