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Direct Coupling of Plasmonic and Photonic Nanowires for Hybrid Nanophotonic Components and Circuits
KTH, School of Information and Communication Technology (ICT), Optics and Photonics, Photonics.
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2009 (English)In: Nano letters (Print), ISSN 1530-6984, E-ISSN 1530-6992, Vol. 9, no 12, 4515-4519 p.Article in journal (Refereed) Published
Abstract [en]

We report direct coupling of plasmonic and photonic nanowires using ultracompact near-field interaction. Photon-plasmon coupling efficiency up to 80% with coupling length down to the 200 nm level is achieved between individual Ag and ZnO nanowires. Hybrid nanophotonic components, including polarization splitters, Mach-Zehnder interferometers, and microring cavities, are fabricated out of coupled Ag and ZnO nanowires. These components offer relatively low loss with subwavelength confinement; a hybrid nanowire microcavity exhibits a Q-factor of 520.

Place, publisher, year, edition, pages
2009. Vol. 9, no 12, 4515-4519 p.
Keyword [en]
subwavelength-diameter silica, wave-guides, optoelectronic devices, propagation, nanostructures, integration, optics, wires
URN: urn:nbn:se:kth:diva-19013DOI: 10.1021/nl902860dISI: 000272395400097ScopusID: 2-s2.0-71949127837OAI: diva2:337060
QC 20100525Available from: 2010-08-05 Created: 2010-08-05 Last updated: 2011-02-07Bibliographically approved

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