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Article: Nonlinear infrared plasmonic waveguide arrays
Title | Nonlinear infrared plasmonic waveguide arrays |
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Authors | |
Keywords | plasmonic waveguides waveguide theory waveguide arrays nonlinear plasmonics infrared plasmonics |
Issue Date | 2016 |
Citation | Nano Research, 2016, v. 9, n. 1, p. 224-229 How to Cite? |
Abstract | © 2016, Tsinghua University Press and Springer-Verlag Berlin Heidelberg. The large negative permittivity of noble metals in the infrared region prevents the possibility of highly confined plasmons in simple waveguide structures such as thin films or rods. This is a critical obstacle to applications of nonlinear plasmonics in the telecommunication wavelength region. We theoretically propose and numerically demonstrate that such limitation can be overcome by exploiting inter-element coupling effects in a plasmonic waveguide array. The supermodes of a plasmonic array span a large range of effective indices, making these structures ideal for broadband mode-multiplexed interconnects for integrated photonic devices. We show such plasmonic waveguide arrays can significantly enhance nonlinear optical interactions when operating in a high-index, tightly bound supermode. For example, a third-order nonlinear coefficient in such a waveguide can be more than three orders of magnitude larger compared to silicon waveguides of similar dimensions. These findings open new design possibilities towards the application of plasmonics in integrated optical devices in the telecommunications spectral region. |
Persistent Identifier | http://hdl.handle.net/10722/256769 |
ISSN | 2023 Impact Factor: 9.5 2023 SCImago Journal Rankings: 2.539 |
ISI Accession Number ID |
DC Field | Value | Language |
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dc.contributor.author | Salandrino, Alessandro | - |
dc.contributor.author | Wang, Yuan | - |
dc.contributor.author | Zhang, Xiang | - |
dc.date.accessioned | 2018-07-24T08:57:51Z | - |
dc.date.available | 2018-07-24T08:57:51Z | - |
dc.date.issued | 2016 | - |
dc.identifier.citation | Nano Research, 2016, v. 9, n. 1, p. 224-229 | - |
dc.identifier.issn | 1998-0124 | - |
dc.identifier.uri | http://hdl.handle.net/10722/256769 | - |
dc.description.abstract | © 2016, Tsinghua University Press and Springer-Verlag Berlin Heidelberg. The large negative permittivity of noble metals in the infrared region prevents the possibility of highly confined plasmons in simple waveguide structures such as thin films or rods. This is a critical obstacle to applications of nonlinear plasmonics in the telecommunication wavelength region. We theoretically propose and numerically demonstrate that such limitation can be overcome by exploiting inter-element coupling effects in a plasmonic waveguide array. The supermodes of a plasmonic array span a large range of effective indices, making these structures ideal for broadband mode-multiplexed interconnects for integrated photonic devices. We show such plasmonic waveguide arrays can significantly enhance nonlinear optical interactions when operating in a high-index, tightly bound supermode. For example, a third-order nonlinear coefficient in such a waveguide can be more than three orders of magnitude larger compared to silicon waveguides of similar dimensions. These findings open new design possibilities towards the application of plasmonics in integrated optical devices in the telecommunications spectral region. | - |
dc.language | eng | - |
dc.relation.ispartof | Nano Research | - |
dc.subject | plasmonic waveguides | - |
dc.subject | waveguide theory | - |
dc.subject | waveguide arrays | - |
dc.subject | nonlinear plasmonics | - |
dc.subject | infrared plasmonics | - |
dc.title | Nonlinear infrared plasmonic waveguide arrays | - |
dc.type | Article | - |
dc.description.nature | link_to_subscribed_fulltext | - |
dc.identifier.doi | 10.1007/s12274-016-0994-0 | - |
dc.identifier.scopus | eid_2-s2.0-84956942428 | - |
dc.identifier.volume | 9 | - |
dc.identifier.issue | 1 | - |
dc.identifier.spage | 224 | - |
dc.identifier.epage | 229 | - |
dc.identifier.eissn | 1998-0000 | - |
dc.identifier.isi | WOS:000371797800019 | - |
dc.identifier.issnl | 1998-0000 | - |