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Nanowaveguides and couplers based on hybrid plasmonic modes
KTH, School of Information and Communication Technology (ICT), Optics and Photonics, Photonics.
KTH, School of Information and Communication Technology (ICT), Optics and Photonics, Photonics.
KTH, School of Information and Communication Technology (ICT), Optics and Photonics, Quantum Electronics and Quantum Optics, QEO.
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2010 (English)In: Applied Physics Letters, ISSN 0003-6951, E-ISSN 1077-3118, Vol. 97, no 23, 231121- p.Article in journal (Refereed) Published
Abstract [en]

Experimental demonstration of silicon nanowires based hybrid plasmonic waveguides and couplers with subwavelength mode confinement at the near infrared wavelength lambda = 980 nm are presented. By measuring the radiating light from the discontinuities in a nanowire, the estimated propagation length of the hybrid plasmonic waveguide is about 30 mu m (corresponding to a propagation loss of similar to 0.14 dB/mu m). For the coupler, the experimental results show that the hybrid plasmonic modes can be efficiently coupled between two overlapping nanowires only with a 1.9 mu m long coupling length.

Place, publisher, year, edition, pages
2010. Vol. 97, no 23, 231121- p.
Keyword [en]
WAVE-GUIDES, SUBWAVELENGTH CONFINEMENT, SILVER NANOWIRES, SILICON, PROPAGATION, RESONATORS, LIGHT
National Category
Electrical Engineering, Electronic Engineering, Information Engineering
Identifiers
URN: urn:nbn:se:kth:diva-29832DOI: 10.1063/1.3524515ISI: 000285364000021Scopus ID: 2-s2.0-78650332952OAI: oai:DiVA.org:kth-29832DiVA: diva2:398340
Funder
Swedish Research CouncilKnut and Alice Wallenberg Foundation
Available from: 2011-02-17 Created: 2011-02-17 Last updated: 2017-12-11Bibliographically approved

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Tian, JieLi, QiangSong, YiZha, ChaolinÅkerman, JohanQiu, Min
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