Chiroptical Hot Spots in Twisted Nanowire Plasmonic Oscillators

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Chiroptical Hot Spots in Twisted Nanowire Plasmonic Oscillators

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Title: Chiroptical Hot Spots in Twisted Nanowire Plasmonic Oscillators
Author: Tang, Yiqiao; Sun, Li; Cohen, Adam Ezra

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Citation: Tang, Yiqiao, Li Sun, and Adam Ezra Cohen. 2013. "Chiroptical Hot Spots in Twisted Nanowire Plasmonic Oscillators." Applied Physics Letters 102 (4): 043103.
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Abstract: We image the chiroptical response of crossed nanowire junctions as a function of the vertical offset between the nanowires and the incident wavelength. These samples show chiroptical “hot spots” with strongly localized circular differential scattering at the nanowire crossing points. These chiroptical hot spots are not apparent in the spatially averaged spectra. The sign and magnitude of the chiroptical enhancement show a complex dependence on sample geometry, which we reproduce with a fully retarded analytical scattering model. These results suggest strategies for engineering devices with enhanced chiral light-matter interactions.
Published Version: doi:10.1063/1.4789529
Terms of Use: This article is made available under the terms and conditions applicable to Open Access Policy Articles, as set forth at http://nrs.harvard.edu/urn-3:HUL.InstRepos:dash.current.terms-of-use#OAP
Citable link to this page: http://nrs.harvard.edu/urn-3:HUL.InstRepos:13454933
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