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Article: Unidirectional and wavelength-selective photonic sphere-array nanoantennas

TitleUnidirectional and wavelength-selective photonic sphere-array nanoantennas
Authors
KeywordsDesign Principles
Dipole resonances
Fano resonances
Geometric configurations
Metallic loss
Nanoantennas
Optical wavelength
Photon detection
Plasmonic
Wavelength selectivity
Working principles
Issue Date2012
PublisherOptical Society of America. The Journal's web site is located at http://www.opticsinfobase.org/current.cfm?journal=3
Citation
Optics Letters, 2012, v. 37 n. 11, p. 2112-2114 How to Cite?
AbstractWe design a photonic sphere-array nanoantenna (NA) exhibiting both strong directionality and wavelength selectivity. Although the geometric configuration of the photonic NA resembles a plasmonic Yagi-Uda NA, it has different working principles and, most importantly, reduces the inherent metallic loss from plasmonic elements. For any selected optical wavelength, a sharp Fano resonance by the reflector is tunable to overlap spectrally with a wider dipole resonance by the sphere-chain director, leading to high directionality. This Letter provides design principles for directional and selective photonic NAs, which are particularly useful for photon detection and spontaneous emission manipulation. © 2012 Optical Society of America.
Persistent Identifierhttp://hdl.handle.net/10722/164011
ISSN
2015 Impact Factor: 3.04
2015 SCImago Journal Rankings: 2.397
References

 

DC FieldValueLanguage
dc.contributor.authorLiu, Yen_US
dc.contributor.authorChoy, WCHen_US
dc.contributor.authorSha, Wen_US
dc.contributor.authorChew, WCen_US
dc.date.accessioned2012-09-20T07:54:46Z-
dc.date.available2012-09-20T07:54:46Z-
dc.date.issued2012en_US
dc.identifier.citationOptics Letters, 2012, v. 37 n. 11, p. 2112-2114en_US
dc.identifier.issn0146-9592-
dc.identifier.urihttp://hdl.handle.net/10722/164011-
dc.description.abstractWe design a photonic sphere-array nanoantenna (NA) exhibiting both strong directionality and wavelength selectivity. Although the geometric configuration of the photonic NA resembles a plasmonic Yagi-Uda NA, it has different working principles and, most importantly, reduces the inherent metallic loss from plasmonic elements. For any selected optical wavelength, a sharp Fano resonance by the reflector is tunable to overlap spectrally with a wider dipole resonance by the sphere-chain director, leading to high directionality. This Letter provides design principles for directional and selective photonic NAs, which are particularly useful for photon detection and spontaneous emission manipulation. © 2012 Optical Society of America.-
dc.languageengen_US
dc.publisherOptical Society of America. The Journal's web site is located at http://www.opticsinfobase.org/current.cfm?journal=3-
dc.relation.ispartofOptics Lettersen_US
dc.rightsOptics Letters. Copyright © Optical Society of America-
dc.rightsThis paper was published in Optics Letters and is made available as an electronic reprint with the permission of OSA. The paper can be found at the following URL on the OSA website: http://www.opticsinfobase.org/ol/abstract.cfm?uri=ol-37-11-2112. Systematic or multiple reproduction or distribution to multiple locations via electronic or other means is prohibited and is subject to penalties under law.-
dc.rightsCreative Commons: Attribution 3.0 Hong Kong License-
dc.subjectDesign Principles-
dc.subjectDipole resonances-
dc.subjectFano resonances-
dc.subjectGeometric configurations-
dc.subjectMetallic loss-
dc.subjectNanoantennas-
dc.subjectOptical wavelength-
dc.subjectPhoton detection-
dc.subjectPlasmonic-
dc.subjectWavelength selectivity-
dc.subjectWorking principles-
dc.titleUnidirectional and wavelength-selective photonic sphere-array nanoantennasen_US
dc.typeArticleen_US
dc.identifier.emailChoy, WCH: chchoy@eee.hku.hken_US
dc.identifier.emailSha, W: shawei@hku.hken_US
dc.identifier.emailChew, WC: wcchew@hku.hken_US
dc.identifier.authorityChoy, WCH=rp00218en_US
dc.identifier.authoritySha, W=rp01605en_US
dc.identifier.authorityChew, WC=rp00656en_US
dc.description.naturepublished_or_final_version-
dc.identifier.doi10.1364/OL.37.002112-
dc.identifier.pmid22660138-
dc.identifier.scopuseid_2-s2.0-84863690779-
dc.identifier.hkuros207963en_US
dc.relation.referenceshttp://www.scopus.com/mlt/select.url?eid=2-s2.0-84863690779&selection=ref&src=s&origin=recordpage-
dc.identifier.volume37en_US
dc.identifier.issue11-
dc.identifier.spage2112en_US
dc.identifier.epage2114en_US
dc.publisher.placeUnited States-
dc.identifier.scopusauthoridLiu, YG=36600546900-
dc.identifier.scopusauthoridChoy, WCH=55307457900-
dc.identifier.scopusauthoridSha, WEI=34267903200-
dc.identifier.scopusauthoridChew, WC=36014436300-

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