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Determination of the Excitation and Coupling Rates Between Light Emitters and Surface Plasmon Polaritons
Published on: July 21, 2018
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Coupling a single solid-state quantum emitter to an array of resonant plasmonic antennas.
Markus Pfeiffer1,2,3, Paola Atkinson4,5, Armando Rastelli4
1Department of Chemistry, University of Cologne, Luxemburger Str. 116, D-50939, Köln, Germany.
Scientific Reports
|February 23, 2018
Summary
Plasmonic meta-surfaces enhance light emission from quantum dots by engineering optical fields. This study shows array coupling differs significantly from single nanoantenna interactions, offering new possibilities for optical devices.
Area of Science:
- Plasmonics and Nanophotonics
- Quantum Optics
- Materials Science
Background:
- Plasmon resonant arrays (meta-surfaces) control optical fields and emission.
- They offer enhanced emission and design flexibility over single nanoantennas.
- Meta-surfaces are key for engineering optical absorption and emission.
Purpose of the Study:
- To investigate the coupling between a single quantum emitter and a plasmonic meta-surface.
- To analyze the impact of nanoantenna spectral properties and emitter position.
- To differentiate emitter-array coupling from single nanoantenna interactions.
Main Methods:
- Utilized a self-assembled semiconductor quantum dot as the quantum emitter.
- Studied coupling to a plasmonic meta-surface structure.
- Examined variations based on nanoantenna spectral properties and emitter position within the unit cell.
Main Results:
- Observed resonant enhancement in far-field emission due to emitter-array coupling.
- Demonstrated distinct differences compared to emitter-single antenna interactions.
- Highlighted the role of meta-surface spectral properties and emitter placement.
Conclusions:
- Plasmonic meta-surfaces provide a powerful platform for controlling quantum emitter emission.
- Emitter-array coupling offers unique optical properties distinct from single antenna systems.
- This research advances the engineering of optical absorption and emission for nanophotonic applications.
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