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Direct near-field observation of surface plasmon polaritons on silver nanowires

  • Surface plasmon polaritons on (silver) nanowires are promising components for future photonic technologies. Here, we study near-field patterns on silver nanowires with a scattering-type scanning near-field optical microscope that enables the direct mapping of surface waves. We analyze the spatial pattern of the plasmon signatures for different excitation geometries and polarization and observe a plasmon wave pattern that is canted relative to the nanowire axis, which we show is due to a superposition of two different plasmon modes, as supported by electromagnetic simulations including the influence of the substrate. These findings yield new insights into the excitation and propagation of plasmon polaritons for applications in nanoplasmonic devices.

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Metadaten
Author:Matthias M. WiechaORCiDGND, Shihab al- Daffaie, Andrey Bogdanov, Mark David ThomsonORCiDGND, Oktay Yilmazoglu, Franko Küppers, Amin SoltaniORCiD, Hartmut RoskosORCiDGND
URN:urn:nbn:de:hebis:30:3-535453
DOI:https://doi.org/10.1021/acsomega.9b03036
ISSN:2470-1343
Parent Title (English):ACS Omega
Publisher:American Chemical Society (ACS)
Place of publication:Washington, D.C.
Document Type:Article
Language:English
Date of Publication (online):2019/12/13
Date of first Publication:2019/12/13
Publishing Institution:Universitätsbibliothek Johann Christian Senckenberg
Release Date:2020/05/16
Tag:Infrared light; Light; Nanowires; Plasmons Quantum mechanics
Volume:4
Issue:26
Page Number:5
First Page:21962
Last Page:21966
Note:
This is an open access article published under a Creative Commons Attribution (CC-BY) License, which permits unrestricted use, distribution and reproduction in any medium, provided the author and source are cited.
HeBIS-PPN:465918700
Institutes:Physik / Physik
Dewey Decimal Classification:5 Naturwissenschaften und Mathematik / 53 Physik / 530 Physik
6 Technik, Medizin, angewandte Wissenschaften / 62 Ingenieurwissenschaften / 620 Ingenieurwissenschaften und zugeordnete Tätigkeiten
Sammlungen:Universitätspublikationen
Open-Access-Publikationsfonds:Physik
Licence (German):License LogoCreative Commons - Namensnennung 4.0

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