Please use this identifier to cite or link to this item: http://hdl.handle.net/10397/77739
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dc.contributorDepartment of Applied Physicsen_US
dc.creatorQian, Cen_US
dc.creatorChoi, KHen_US
dc.creatorWu, RPHen_US
dc.creatorZhang, Yen_US
dc.creatorGuo, Ken_US
dc.creatorFung, KHen_US
dc.date.accessioned2018-08-28T01:34:27Z-
dc.date.available2018-08-28T01:34:27Z-
dc.identifier.urihttp://hdl.handle.net/10397/77739-
dc.language.isoenen_US
dc.publisherOptical Society of Americaen_US
dc.rights© 2018 Optical Society of America under the terms of the OSA Open Access Publishing Agreement (https://opg.optica.org/library/license_v1.cfm#VOR-OA).en_US
dc.rightsUsers may use, reuse, and build upon the article, or use the article for text or data mining, so long as such uses are for non-commercial purposes and appropriate attribution is maintained. All other rights are reserved.en_US
dc.titleNonlinear frequency up-conversion via double topological edge modesen_US
dc.typeJournal/Magazine Articleen_US
dc.identifier.spage5083en_US
dc.identifier.epage5091en_US
dc.identifier.volume26en_US
dc.identifier.issue4en_US
dc.identifier.doi10.1364/OE.26.005083en_US
dcterms.abstractWe study the nonlinear frequency up-conversion in a plasmonic thin film sandwiched between one-dimensional photonic crystals (PCs) of different Zak phases by rigorous numerical time-domain nonlinear hydrodynamic calculations. We show that the proposed hetero-structure can support robust fundamental and high-order topological edge modes that simultaneously enhance the third-harmonic generation. Numerical simulations also show that femtosecond pulses can excite double topological edge modes through optical tunneling in band gaps, leading to a large nonlinear response. The obtained third harmonic generation (THG) conversion efficiency of the hetero-structure is three orders of magnitude larger than that of a single plasmonic film. The results presented here may open new avenues for designing high-efficiency nonlinear photonic devices.en_US
dcterms.accessRightsopen accessen_US
dcterms.bibliographicCitationOptics express, 2018, v. 26, no. 4, p. 5083-5091en_US
dcterms.isPartOfOptics expressen_US
dcterms.issued2018-02-19-
dc.identifier.isiWOS:000426268500120-
dc.identifier.scopus2-s2.0-85042098254-
dc.identifier.eissn1094-4087en_US
dc.identifier.rosgroupid2017002336-
dc.description.ros2017-2018 > Academic research: refereed > Publication in refereed journalen_US
dc.description.validate201808 bcrcen_US
dc.description.oaVersion of Recorden_US
dc.identifier.FolderNumberAP-0535-
dc.description.fundingSourceRGCen_US
dc.description.fundingSourceOthersen_US
dc.description.fundingTextThe Hong Kong Polytechnic Universityen_US
dc.description.pubStatusPublisheden_US
dc.identifier.OPUS6820163-
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