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Title: Optical Control of Fluorescence through plasmonic eigenmode extinction

Journal Article · · Scientific Reports
DOI:https://doi.org/10.1038/srep09911· OSTI ID:1185351
 [1];  [2];  [3];  [3];  [1];  [1];  [1];  [1];  [4];  [2];  [1];  [1]
  1. Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States)
  2. National Taiwan Univ., Taipei (Taiwan)
  3. Univ. of Tennessee, Knoxville, TN (United States)
  4. Univ. of Science and Technology of China, Hefei (China). International Center for Quantum Design of Functional Materials (ICQD)

We introduce the concept of optical control of the fluorescence yield of CdSe quantum dots through plasmon-induced structural changes in random semicontinuous nanostructured gold films. We demonstrate that the wavelength- and polarization dependent coupling between quantum dots and the semicontinuous films, and thus the fluorescent emission spectrum, can be controlled and significantly increased through the optical extinction of a selective band of eigenmodes in the films. This optical method of effecting controlled changes in the metal nanostructure allows for versatile functionality in a single sample and opens a pathway to in situ control over the fluorescence spectrum.

Research Organization:
Oak Ridge National Laboratory (ORNL), Oak Ridge, TN (United States). Center for Nanophase Materials Sciences (CNMS)
Sponsoring Organization:
USDOE Office of Science (SC)
Grant/Contract Number:
AC05-00OR22725
OSTI ID:
1185351
Journal Information:
Scientific Reports, Vol. 5; ISSN 2045-2322
Publisher:
Nature Publishing GroupCopyright Statement
Country of Publication:
United States
Language:
English
Citation Metrics:
Cited by: 4 works
Citation information provided by
Web of Science

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Superconductivity and spin–orbit coupling in non-centrosymmetric materials: a review journal January 2017

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