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Proceedings Paper

Field enhanced plexitonic coupling between InAs quantum dot and silver film: highly sensitive plasmonic composite
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Paper Abstract

In this work we propose and study a highly sensitive quantum dot (QD)-metal film plasmonic composite. The system comprises of indium arsenide (InAs) QDs on silver film. The intensity is traced by scanning the absorption spectra for the system. We found that the behaviour of the plasmonic composite changes by varying the thickness of metal film. It is observed that the sensitivity of the composite varies with the thickness of metallic film and the quantum size effects dominate at sub-nanometer gap. The proposed system shows promising applications in lasing, sensing and spectroscopy.

Paper Details

Date Published: 10 September 2014
PDF: 6 pages
Proc. SPIE 9163, Plasmonics: Metallic Nanostructures and Their Optical Properties XII, 91630W (10 September 2014); doi: 10.1117/12.2061914
Show Author Affiliations
Venus Dillu, Delhi Technological Univ. (India)
Preeti Rani, Delhi Technological Univ. (India)
Ravindra Kumar Sinha, Delhi Technological Univ. (India)

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

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