Please use this identifier to cite or link to this item: https://hdl.handle.net/10356/151674
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dc.contributor.authorLi, Zhuoen_US
dc.contributor.authorLiu, Liangliangen_US
dc.contributor.authorFernández-Domínguez, Antonio I.en_US
dc.contributor.authorShi, Jianfengen_US
dc.contributor.authorGu, Changqingen_US
dc.contributor.authorGarcía-Vidal, Francisco J.en_US
dc.contributor.authorLuo, Yuen_US
dc.date.accessioned2021-07-21T11:21:49Z-
dc.date.available2021-07-21T11:21:49Z-
dc.date.issued2019-
dc.identifier.citationLi, Z., Liu, L., Fernández-Domínguez, A. I., Shi, J., Gu, C., García-Vidal, F. J. & Luo, Y. (2019). Mimicking localized surface plasmons with structural dispersion. Advanced Optical Materials, 7(10), 1900118-. https://dx.doi.org/10.1002/adom.201900118en_US
dc.identifier.issn2195-1071en_US
dc.identifier.other0000-0002-8511-9443-
dc.identifier.other0000-0003-2925-682X-
dc.identifier.urihttps://hdl.handle.net/10356/151674-
dc.description.abstractOne major obstacle in developing plasmonic devices is dissipative loss. Structural waveguide dispersion offers a route to tackle this problem. Although long range propagation of surface waves using this concept is recently reported, experimental realizations of localized surface plasmon resonances with suppressed dissipative loss still remain elusive. In this paper, effective localized surface plasmons in a bounded waveguide filled with only positive dielectrics are modeled theoretically and demonstrated experimentally. Theoretical analysis based on cylindrical wave expansion shows that the effective surface modes are induced by structural dispersion of transverse electric modes. Owing to dramatically suppressed metallic loss, the designed structure can support multipolar sharp plasmonic resonances, which are difficult to attain with natural plasmons at optical frequencies. To probe the characteristics of these resonances in the experiment, a deep-subwavelength open resonator is fabricated and the transmission spectrum at the boundary of the structure is measured. The results reveal that structured-dispersion-induced localized surface plasmons are quite sensitive to the background refractive index but relatively robust to the size and shape of the resonator. These findings open up a new avenue for designer localized surface waves at low frequencies and may find applications in miniaturization of microwave resonators, filters, and terahertz biosensors.en_US
dc.description.sponsorshipMinistry of Education (MOE)en_US
dc.language.isoenen_US
dc.relation2017-T1-001-239en_US
dc.relationRG91/17(S)en_US
dc.relationMOE2015-T2-1-145en_US
dc.relation.ispartofAdvanced Optical Materialsen_US
dc.rights© 2019 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim. All rights reserved.en_US
dc.subjectEngineering::Electrical and electronic engineeringen_US
dc.titleMimicking localized surface plasmons with structural dispersionen_US
dc.typeJournal Articleen
dc.contributor.schoolSchool of Electrical and Electronic Engineeringen_US
dc.identifier.doi10.1002/adom.201900118-
dc.identifier.scopus2-s2.0-85062978408-
dc.identifier.issue10en_US
dc.identifier.volume7en_US
dc.identifier.spage1900118en_US
dc.subject.keywordsEffective Localized Surface Plasmonsen_US
dc.subject.keywordsParallel Plate Waveguidesen_US
dc.description.acknowledgementZ.L. and L.L. contributed equally to this work. Z.L. acknowledges the financial support from the National Natural Science Foundation of China under Grant No. 61871215, Six talent peaks project in Jiangsu Province under Grant No. 2018-GDZB-009, and Foundation of Key Laboratory of Radar Imaging and Microwave Photonics, NUAA, Ministry of Education under Grant No. XCA17001-05. L.L. and Y.L. acknowledge the financial support from Singapore Ministry of Education Academic Research Fund TIER 1 under Grant No. 2017-T1-001-239 (RG91/17(S)) and TIER 2 under Grant No. MOE2015-T2-1-145. A.I.F.-D. and F.J.G.-V. acknowledge financial support from the Spanish MINECO under Contract Nos. MAT2014-53432-C5-5-R and FIS2015-64951-R, and the “Maria de Maeztu” programme for Units of Excellence in R&D (MDM-2014-0377). A.I.F.-D. also acknowledges funding from EU-FP7 under Grant Agreement No. FP7-PEOPLE-2013-CIG-630996.en_US
item.grantfulltextnone-
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