Please use this identifier to cite or link to this item: http://hdl.handle.net/10397/79114
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dc.contributor.authorZhang, YLen_US
dc.contributor.authorWu, RPHen_US
dc.contributor.authorKumar, Aen_US
dc.contributor.authorSi, Ten_US
dc.contributor.authorFung, KHen_US
dc.date.accessioned2018-10-30T03:01:28Z-
dc.date.available2018-10-30T03:01:28Z-
dc.date.issued2018-
dc.identifier.citationPhysical review B : covering condensed matter and materials physics, 2018, v. 97, no. 14, 144203en_US
dc.identifier.issn2469-9950-
dc.identifier.urihttp://hdl.handle.net/10397/79114-
dc.description.abstractUsing a dynamic eigenresponse theory, we study the topological edge plasmon modes in dispersive plasmonic lattices constructed by unit cells of multiple nanoribbons. In dipole approximation, the bulk-edge correspondence in the lattices made of dimerized unit cell and one of its square-root daughter with nonsymmorphic symmetry are demonstrated. Calculations with consideration of dynamic long-range effects and retardation are compared to those given by nearest-neighbor approximations. It is shown that nonsymmorphic symmetry opens up two symmetric gaps where versatile topological edge plasmon modes are found. Unprecedented spectral shifts of the edge states with respect to the zero modes due to long-range coupling are found. The proposed ribbon structure is favorable to electrical gating and thus could serve as an on-chip platform for electrically controllable subwavelength edge states at optical wavelengths. Our eigenresponse approach provides a powerful tool for the radiative topological mode analysis in strongly coupled plasmonic lattices.en_US
dc.description.sponsorshipDepartment of Applied Physicsen_US
dc.language.isoenen_US
dc.publisherAmerican Physical Societyen_US
dc.relation.ispartofPhysical review B : covering condensed matter and materials physicsen_US
dc.titleNonsymmorphic symmetry-protected topological modes in plasmonic nanoribbon latticesen_US
dc.typeJournal/Magazine Articleen_US
dc.identifier.volume97-
dc.identifier.issue14-
dc.identifier.doi10.1103/PhysRevB.97.144203-
dc.identifier.scopus2-s2.0-85045950256-
dc.identifier.eissn2469-9969-
dc.identifier.artn144203-
dc.identifier.rosgroupid2017002334-
dc.description.ros2017-2018 > Academic research: refereed > Publication in refereed journal-
dc.description.validate201810 bcma-
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