Strong plasmonic enhancement of biexciton emission: controlled coupling of a single quantum dot to a gold nanocone antenna
Abstract
Multiexcitonic transitions and emission of several photons per excitation comprise a very attractive feature of semiconductor quantum dots for optoelectronics applications. However, these higher-order radiative processes are usually quenched in colloidal quantum dots by Auger and other nonradiative decay channels. To increase the multiexcitonic quantum efficiency, several groups have explored plasmonic enhancement, so far with moderate results. By controlled positioning of individual quantum dots in the near field of gold nanocone antennas, we enhance the radiative decay rates of monoexcitons and biexcitons by 109 and 100 folds at quantum efficiencies of 60 and 70%, respectively, in very good agreement with the outcome of numerical calculations. We discuss the implications of our work for future fundamental and applied research in nano-optics.
- Authors:
-
- Max Planck Inst. for the Science of Light, Erlangen (Germany)
- Max Planck Inst. for the Science of Light, Erlangen (Germany); Carl Zeiss Microscopy GmbH, Oberkochen (Germany)
- Max Planck Inst. for the Science of Light, Erlangen (Germany); Helmholtz-Zentrum Berlin (HZB), (Germany). German Research Centre for Materials and Energy
- Los Alamos National Lab. (LANL), Los Alamos, NM (United States)
- Max Planck Inst. for the Science of Light, Erlangen (Germany); Friedrich Alexander Univ. Erlangen-Nuremberg (Germany)
- Publication Date:
- Research Org.:
- Los Alamos National Laboratory (LANL), Los Alamos, NM (United States)
- Sponsoring Org.:
- USDOE Office of Science (SC). Basic Energy Sciences (BES) (SC-22)
- OSTI Identifier:
- 1396123
- Report Number(s):
- LA-UR-17-21874
Journal ID: ISSN 2045-2322
- Grant/Contract Number:
- AC52-06NA25396
- Resource Type:
- Accepted Manuscript
- Journal Name:
- Scientific Reports
- Additional Journal Information:
- Journal Volume: 7; Journal ID: ISSN 2045-2322
- Publisher:
- Nature Publishing Group
- Country of Publication:
- United States
- Language:
- English
- Subject:
- 71 CLASSICAL AND QUANTUM MECHANICS, GENERAL PHYSICS; Material Science
Citation Formats
Matsuzaki, Korenobu, Vassant, Simon, Liu, Hsuan-Wei, Dutschke, Anke, Hoffmann, Björn, Chen, Xuewen, Christiansen, Silke, Buck, Matthew R., Hollingsworth, Jennifer A., Götzinger, Stephan, and Sandoghdar, Vahid. Strong plasmonic enhancement of biexciton emission: controlled coupling of a single quantum dot to a gold nanocone antenna. United States: N. p., 2017.
Web. doi:10.1038/srep42307.
Matsuzaki, Korenobu, Vassant, Simon, Liu, Hsuan-Wei, Dutschke, Anke, Hoffmann, Björn, Chen, Xuewen, Christiansen, Silke, Buck, Matthew R., Hollingsworth, Jennifer A., Götzinger, Stephan, & Sandoghdar, Vahid. Strong plasmonic enhancement of biexciton emission: controlled coupling of a single quantum dot to a gold nanocone antenna. United States. https://doi.org/10.1038/srep42307
Matsuzaki, Korenobu, Vassant, Simon, Liu, Hsuan-Wei, Dutschke, Anke, Hoffmann, Björn, Chen, Xuewen, Christiansen, Silke, Buck, Matthew R., Hollingsworth, Jennifer A., Götzinger, Stephan, and Sandoghdar, Vahid. Tue .
"Strong plasmonic enhancement of biexciton emission: controlled coupling of a single quantum dot to a gold nanocone antenna". United States. https://doi.org/10.1038/srep42307. https://www.osti.gov/servlets/purl/1396123.
@article{osti_1396123,
title = {Strong plasmonic enhancement of biexciton emission: controlled coupling of a single quantum dot to a gold nanocone antenna},
author = {Matsuzaki, Korenobu and Vassant, Simon and Liu, Hsuan-Wei and Dutschke, Anke and Hoffmann, Björn and Chen, Xuewen and Christiansen, Silke and Buck, Matthew R. and Hollingsworth, Jennifer A. and Götzinger, Stephan and Sandoghdar, Vahid},
abstractNote = {Multiexcitonic transitions and emission of several photons per excitation comprise a very attractive feature of semiconductor quantum dots for optoelectronics applications. However, these higher-order radiative processes are usually quenched in colloidal quantum dots by Auger and other nonradiative decay channels. To increase the multiexcitonic quantum efficiency, several groups have explored plasmonic enhancement, so far with moderate results. By controlled positioning of individual quantum dots in the near field of gold nanocone antennas, we enhance the radiative decay rates of monoexcitons and biexcitons by 109 and 100 folds at quantum efficiencies of 60 and 70%, respectively, in very good agreement with the outcome of numerical calculations. We discuss the implications of our work for future fundamental and applied research in nano-optics.},
doi = {10.1038/srep42307},
journal = {Scientific Reports},
number = ,
volume = 7,
place = {United States},
year = {Tue Feb 14 00:00:00 EST 2017},
month = {Tue Feb 14 00:00:00 EST 2017}
}
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