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- Publisher Website: 10.1364/OE.21.028344
- Scopus: eid_2-s2.0-84888230196
- PMID: 24514345
- WOS: WOS:000327494000075
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Article: Plasmonic angular momentum on metal-dielectric nano-wedges in a sectorial indefinite metamaterial
Title | Plasmonic angular momentum on metal-dielectric nano-wedges in a sectorial indefinite metamaterial |
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Authors | |
Issue Date | 2013 |
Citation | Optics Express, 2013, v. 21, n. 23, p. 28344-28358 How to Cite? |
Abstract | We present an analytical study in the structure-modulated plasmonic angular momentum, which is trapped in the core region of a sectorial indefinite metamaterial. This metamaterial consists of periodically arranged metal-dielectric nano-wedges along the azimuthal direction. Employing a transfer-matrix calculation and a conformal-mapping technique, our theory can deal with an arbitrary number of wedges with realistically rounded tips. We demonstrate that in the deep-subwavelength regime, strong electric fields that carry large azimuthal variations can exist only within ten-nanometer length scale around the structural center. They are naturally bounded by a characteristic radius on the order of a hundred nanometers from the center. These extreme confining properties suggest that the structure under investigation can be superior to the conventional metaldielectric cavities in terms of nanoscale photonic manipulation. © 2013 Optical Society of America. |
Persistent Identifier | http://hdl.handle.net/10722/318552 |
ISI Accession Number ID |
DC Field | Value | Language |
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dc.contributor.author | Jin, Dafei | - |
dc.contributor.author | Fang, Nicholas X. | - |
dc.date.accessioned | 2022-10-11T12:24:01Z | - |
dc.date.available | 2022-10-11T12:24:01Z | - |
dc.date.issued | 2013 | - |
dc.identifier.citation | Optics Express, 2013, v. 21, n. 23, p. 28344-28358 | - |
dc.identifier.uri | http://hdl.handle.net/10722/318552 | - |
dc.description.abstract | We present an analytical study in the structure-modulated plasmonic angular momentum, which is trapped in the core region of a sectorial indefinite metamaterial. This metamaterial consists of periodically arranged metal-dielectric nano-wedges along the azimuthal direction. Employing a transfer-matrix calculation and a conformal-mapping technique, our theory can deal with an arbitrary number of wedges with realistically rounded tips. We demonstrate that in the deep-subwavelength regime, strong electric fields that carry large azimuthal variations can exist only within ten-nanometer length scale around the structural center. They are naturally bounded by a characteristic radius on the order of a hundred nanometers from the center. These extreme confining properties suggest that the structure under investigation can be superior to the conventional metaldielectric cavities in terms of nanoscale photonic manipulation. © 2013 Optical Society of America. | - |
dc.language | eng | - |
dc.relation.ispartof | Optics Express | - |
dc.title | Plasmonic angular momentum on metal-dielectric nano-wedges in a sectorial indefinite metamaterial | - |
dc.type | Article | - |
dc.description.nature | link_to_subscribed_fulltext | - |
dc.identifier.doi | 10.1364/OE.21.028344 | - |
dc.identifier.pmid | 24514345 | - |
dc.identifier.scopus | eid_2-s2.0-84888230196 | - |
dc.identifier.volume | 21 | - |
dc.identifier.issue | 23 | - |
dc.identifier.spage | 28344 | - |
dc.identifier.epage | 28358 | - |
dc.identifier.eissn | 1094-4087 | - |
dc.identifier.isi | WOS:000327494000075 | - |