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Passive and active plasmonic nanoarray devices
KTH, School of Information and Communication Technology (ICT), Optics and Photonics (Closed 20120101), Photonics (Closed 20120101).
KTH, School of Information and Communication Technology (ICT), Optics and Photonics (Closed 20120101), Photonics (Closed 20120101).
KTH, School of Information and Communication Technology (ICT), Optics and Photonics (Closed 20120101), Photonics (Closed 20120101).
KTH, School of Information and Communication Technology (ICT), Optics and Photonics (Closed 20120101), Photonics (Closed 20120101).
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2011 (English)In: Metamaterials VI / [ed] Kuzmiak, Markos, Szoplik, SPIE - International Society for Optical Engineering, 2011, 80700T-1-80700T-6 p.Conference paper, Published paper (Refereed)
Abstract [en]

Metal nanoparticle arrays offer the possibility to considerably surpass the optical field confinement of silicon waveguides. The properties of directional couplers composed of such plasmonic nanoarrays are analyzed theoretically, while neglecting material losses. It is found that it is possible to generate very compact, submicron length, high fieldconfinement and functionality devices with very low switch energies. We further perform a study of spatial losses in Ag nanoparticle arrays by obtaining the group velocity and the lifetime of the surface plasmon polaritons. The losses are determined for different host permittivities, polarizations, and for spherical and spheroidal particles, with a minimum loss of 12 dB/μm. The possibilities to compensate the losses using gain materials, and the added noise associated with that, is briefly discussed.

Place, publisher, year, edition, pages
SPIE - International Society for Optical Engineering, 2011. 80700T-1-80700T-6 p.
Series
Proceedings of SPIE, ISSN 0277-786X ; 8070
National Category
Nano Technology
Identifiers
URN: urn:nbn:se:kth:diva-87484DOI: 10.1117/12.890978ISI: 000297621400021Scopus ID: 2-s2.0-79959437151ISBN: 978-0-81948-660-8 (print)OAI: oai:DiVA.org:kth-87484DiVA: diva2:501730
Conference
SPIE Optics and Optoelectronics
Note

QC 20120217

Available from: 2012-02-14 Created: 2012-02-14 Last updated: 2016-12-22Bibliographically approved

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CiteExportLink to record
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