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Proceedings Paper

Surface plasmon polariton enhanced fluorescence from quantum dots on nanostructured metal surfaces
Author(s): Ehren Hwang; Christopher C. Davis; Igor I. Smolyaninov
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Paper Abstract

Surface plasmon polariton enhanced fluorescence from CdSe/ZnS quantum dots (QD) deposited onto patterned gold/PMMA substrates has been observed. Comparison of gold, chromium, and ITO substrates is used to verify restriction of enhancement effect to surface plasmon polariton supporting materials. Enhanced fluorescence is observed by using one dimensional gratings defined by electron beam lithography to provide phase matched coupling into surface plasmon polaritons on the metal film surface. Controlled variation of grating parameters is used to examine the dependence of this effect on the periodicity and shape of the coupling grating. Analysis of the results indicates that strong enhancement requires optimization of both grating periodicity and structure for specific wavelengths and materials.

Paper Details

Date Published: 2 September 2009
PDF: 11 pages
Proc. SPIE 7395, Plasmonics: Nanoimaging, Nanofabrication, and their Applications V, 73950B (2 September 2009); doi: 10.1117/12.824595
Show Author Affiliations
Ehren Hwang, Univ. of Maryland, College Park (United States)
Christopher C. Davis, Univ. of Maryland, College Park (United States)
Igor I. Smolyaninov, Univ. of Maryland, College Park (United States)


Published in SPIE Proceedings Vol. 7395:
Plasmonics: Nanoimaging, Nanofabrication, and their Applications V
Satoshi Kawata; Vladimir M. Shalaev; Din Ping Tsai, Editor(s)

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