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Proceedings Paper

Coherent plasmonic engineering in self-assembled reduced symmetry nanostructures
Author(s): Sushmita Biswas; Jinsong Duan; Krishnamurthy Mahalingam; Dhriti Nepal; Ruth Pachter; Larry Drummy; Dean Brown; Richard A. Vaia
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Paper Abstract

Multiple coherent effects including Fano resonances are observed in self-assembled reduced symmetry gold nanorod systems, in particular Dolmen configurations. The bottom-up chemical method provides high quality units and assemblies (single crystal with low surface roughness and sub 5 nm gaps) that reduce radiative losses from the plasmonic structures. Multiple dark and bright plasmonic resonances are observed in optical dark-field scattering measurements and electron energy loss spectroscopy. These high fidelity structures and narrow resonances are promising for future design of high figure of merit sensors, ultrafast switches and slow light devices for optical information processing.

Paper Details

Date Published: 11 September 2013
PDF: 6 pages
Proc. SPIE 8809, Plasmonics: Metallic Nanostructures and Their Optical Properties XI, 880926 (11 September 2013); doi: 10.1117/12.2024038
Show Author Affiliations
Sushmita Biswas, Air Force Research Lab. (United States)
Jinsong Duan, Air Force Research Lab. (United States)
Krishnamurthy Mahalingam, Air Force Research Lab. (United States)
Dhriti Nepal, Air Force Research Lab. (United States)
Ruth Pachter, Air Force Research Lab. (United States)
Larry Drummy, Air Force Research Lab. (United States)
Dean Brown, Air Force Research Lab. (United States)
Richard A. Vaia, Air Force Research Lab. (United States)


Published in SPIE Proceedings Vol. 8809:
Plasmonics: Metallic Nanostructures and Their Optical Properties XI
Mark I. Stockman, Editor(s)

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