| All-Optical Control of a Single Plasmonic Nanoantenna-ITO Hybrid. | |
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MedLine Citation:
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PMID: 21542564 Owner: NLM Status: Publisher |
Abstract/OtherAbstract:
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We demonstrate experimentally picosecond all-optical control of a single plasmonic nanoantenna embedded in indium tin oxide (ITO). We identify a picosecond response of the antenna-ITO hybrid system, which is distinctly different from transient bleaching observed for gold antennas on a nonconducting SiO(2) substrate. Our experimental results can be explained by the large free-carrier nonlinearity of ITO, which is enhanced by plasmon-induced hot-electron injection from the gold nanoantenna into the conductive oxide. The combination of tunable antenna-ITO hybrids with nanoscale plasmonic energy transfer mechanisms, as demonstrated here, opens a path for new ultrafast devices to produce nanoplasmonic switching and control. |
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Authors:
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Martina Abb; Pablo Albella; Javier Aizpurua; Otto L Muskens |
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Publication Detail:
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Type: JOURNAL ARTICLE Date: 2011-5-4 |
Journal Detail:
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Title: Nano letters Volume: - ISSN: 1530-6992 ISO Abbreviation: - Publication Date: 2011 May |
Date Detail:
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Created Date: 2011-5-5 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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SEPnet and the Department of Physics and Astronomy, University of Southampton , Highfield, Southampton SO17 1BJ, United Kingdom. |
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From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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