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Proceedings Paper

Plasmon-exciton coupling between silver nanowire and two quantum dots
Author(s): Qiang Li; Hong Wei; Hongxing Xu
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Paper Abstract

We report the first experimental demonstration of plasmon-exciton coupling between silver nanowire (NW) and a pair of quantum dots (QDs). The resolving of single surface plasmons (SPs) generated in the NW-QD pair system is achieved. The accurate positions of the two QDs and NW ends are obtained by using a maximum likelihood single molecule localization method, and the separation distances between the two QDs range from microns to 200 nm within the diffraction limit. Parameters including the SP propagation length and the wire terminal reflectivity are experimentally determined and taken into account. The efficiency of plasmon generation due to the exciton-plasmon coupling is obtained for each QD.

Paper Details

Date Published: 17 August 2014
PDF: 9 pages
Proc. SPIE 9163, Plasmonics: Metallic Nanostructures and Their Optical Properties XII, 91630Z (17 August 2014); doi: 10.1117/12.2061519
Show Author Affiliations
Qiang Li, Institute of Physics (China)
Hong Wei, Institute of Physics (China)
Hongxing Xu, Institute of Physics (China)
Wuhan Univ. (China)

Published in SPIE Proceedings Vol. 9163:
Plasmonics: Metallic Nanostructures and Their Optical Properties XII
Allan D. Boardman, Editor(s)

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