| Unidirectional Broadband Light Emission from Supported Plasmonic Nanowires. | |
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MedLine Citation:
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PMID: 21268589 Owner: NLM Status: Publisher |
Abstract/OtherAbstract:
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Metal nanowires are thought to become key elements in future nanophotonics applications. Here we show that single crystal silver nanowires supported on a dielectric interface behave similar to broadband unidirectional antennas for visible light. The degree of directionality can be controlled through the nanowire radius and its dielectric environment and the effect can be interpreted in terms of so-called leakage radiation from surface plasmons propagating in a single direction along a wire. We measure a forward-to-backward emission ratio exceeding 15 dB and an angular spread of 4° for wires with radii of the order 150 nm on glass in air. These findings could pave the way for development of metal nanowires as subwavelength directors of light in solar, sensor, and spectroscopy applications. |
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Authors:
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Timur Shegai; Vladimir D Miljković; Kui Bao; Hongxing Xu; Peter Nordlander; Peter Johansson; Mikael Käll |
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Publication Detail:
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Type: JOURNAL ARTICLE Date: 2011-1-26 |
Journal Detail:
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Title: Nano letters Volume: - ISSN: 1530-6992 ISO Abbreviation: - Publication Date: 2011 Jan |
Date Detail:
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Created Date: 2011-1-27 Completed Date: - Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 101088070 Medline TA: Nano Lett Country: - |
Other Details:
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Languages: ENG Pagination: - Citation Subset: - |
Affiliation:
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Department of Applied Physics, Chalmers University of Technology , 412 96 Göteborg, Sweden. |
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From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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