| Nanowire antenna emission. | |
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MedLine Citation:
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PMID: 23030698 Owner: NLM Status: Publisher |
Abstract/OtherAbstract:
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We experimentally demonstrate the directional emission of polarized light from single semiconductor nanowires. The directionality of this emission has been directly determined with Fourier micro-photoluminescence measurements of vertically oriented InP nanowires. Nanowires behave as efficient optical nanoantennas, with emission characteristics that are not only given by the material but also by their geometry and dimensions. By means of finite element simulations, we show that the radiated power can be enhanced for frequencies and diameters at which leaky modes in the structure are present. These leaky modes can be associated to Mie resonances in the cylindrical structure. The radiated power can be also inhibited at other frequencies or when the coupling of the emission to the resonances is not favored. We anticipate the relevance of these results for the development of nanowire photon sources with optimized efficiency and/or controlled emission by the geometry. |
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Authors:
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Grzegorz Grzela; Ramon Panuagua Dominguez; Tommy Barten; Yannik Fontana; Jose A Sanchez Gil; Jaime Gomez Rivas |
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Publication Detail:
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Type: JOURNAL ARTICLE Date: 2012-10-3 |
Journal Detail:
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Title: Nano letters Volume: - ISSN: 1530-6992 ISO Abbreviation: Nano Lett. Publication Date: 2012 Oct |
Date Detail:
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Created Date: 2012-10-3 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: - |
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From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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