Plasmonic Antennas with Electric, Magnetic, and Electromagnetic Hot Spots Based on Babinet's Principle

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dc.contributor.authorHrtoň, Martincs
dc.contributor.authorKonečná, Andreacs
dc.contributor.authorHorák, Michalcs
dc.contributor.authorŠikola, Tomášcs
dc.contributor.authorKřápek, Vlastimilcs
dc.coverage.issue5cs
dc.coverage.volume13cs
dc.date.accessioned2020-11-19T15:54:42Z
dc.date.available2020-11-19T15:54:42Z
dc.date.issued2020-05-19cs
dc.description.abstractWe theoretically study plasmonic antennas featuring areas of extremely concentrated electric or magnetic field, known as hot spots. We combine two types of electric-magnetic complementarity to increase the degree of freedom for the design of the antennas: bowtie and diabolo duality and Babinet's principle. We evaluate the figures of merit for different plasmon-enhanced optical spectroscopy methods and optical trapping: field enhancement, decay rate enhancement, quality factor of the plasmon resonances, and trapping potential depth. The role of Babinet's principle in interchanging electric and magnetic field hot spots and its consequences for practical antenna design are discussed. In particular, diabolo antennas exhibit slightly better performance than bowties in terms of larger field enhancement and larger Q factor. For specific resonance frequency, diabolo antennas are considerably smaller than bowties, which makes them favorable for the integration into more complex devices but also makes their fabrication more demanding in terms of spatial resolution. Finally, we propose a Babinet-type dimer antenna featuring electromagnetic hot spot with both the electric and magnetic field components treated on an equal footing.en
dc.formattextcs
dc.format.extent1-14cs
dc.format.mimetypeapplication/pdfcs
dc.identifier.citationPhysical Review Applied. 2020, vol. 13, issue 5, p. 1-14.en
dc.identifier.doi10.1103/PhysRevApplied.13.054045cs
dc.identifier.issn2331-7019cs
dc.identifier.other164333cs
dc.identifier.urihttp://hdl.handle.net/11012/195661
dc.language.isoencs
dc.publisherAmerican Physical Societycs
dc.relation.ispartofPhysical Review Appliedcs
dc.relation.urihttps://journals.aps.org/prapplied/abstract/10.1103/PhysRevApplied.13.054045cs
dc.rights(C) American Physical Societycs
dc.rights.accessopenAccesscs
dc.rights.sherpahttp://www.sherpa.ac.uk/romeo/issn/2331-7019/cs
dc.subjectFIELDen
dc.subjectMETAMATERIALSen
dc.subjectGENERATIONen
dc.subjectSCATTERINGen
dc.subjectAPERTUREen
dc.subjectHOTSPOTSen
dc.titlePlasmonic Antennas with Electric, Magnetic, and Electromagnetic Hot Spots Based on Babinet's Principleen
dc.type.driverarticleen
dc.type.statusPeer-revieweden
dc.type.versionsubmittedVersionen
sync.item.dbidVAV-164333en
sync.item.dbtypeVAVen
sync.item.insts2020.11.19 16:54:42en
sync.item.modts2020.11.19 16:14:19en
thesis.grantorVysoké učení technické v Brně. Středoevropský technologický institut VUT. Příprava a charakterizace nanostrukturcs
thesis.grantorVysoké učení technické v Brně. Fakulta strojního inženýrství. Ústav fyzikálního inženýrstvícs
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Ústav fyzikálního inženýrství
Příprava a charakterizace nanostruktur