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Updated: Dec 16, 2025

09:29
Utilization of Plasmonic and Photonic Crystal Nanostructures for Enhanced Micro- and Nanoparticle Manipulation
Published on: September 27, 2011
12.6K
Single plasmon spatial and spectral sorting on a crystalline two-dimensional plasmonic platform.
Upkar Kumar1, Sreenath Bolisetty2, Raffaele Mezzenga2
1CEMES, University of Toulouse and CNRS (UPR 8011), 29 rue Jeanne Marvig, BP 94347, 31055 Toulouse, France. aurelien.cuche@cemes.fr.
Nanoscale
|July 3, 2020
Summary
Researchers demonstrate wavelength-dependent propagation and sorting of single plasmons using a quantum nanoemitter in a gold flake. This breakthrough in quantum plasmonics enables control over light at the nanoscale.
Area of Science:
- Quantum plasmonics
- Nanophotonics
- Solid-state physics
Background:
- Quantum plasmonics explores the interaction of quantum emitters with plasmons.
- Controlling single plasmons is crucial for quantum information technologies.
Purpose of the Study:
- To demonstrate wavelength-dependent propagation and sorting of single plasmons.
- To investigate plasmon behavior in two-dimensional crystalline gold structures.
Main Methods:
- Utilizing a nanodiamond with a nitrogen-vacancy (NV) center as a quantum emitter.
- Employing a leakage-radiation microscope for spatially and spectrally resolved imaging.
- Fabricating a Bragg mirror within the gold structure to influence plasmon propagation.
Main Results:
- Observed wavelength-dependent propagation of single plasmons.
- Demonstrated sorting of single plasmons based on their wavelength.
- Showcased the effect of a Bragg mirror on plasmon propagation in a 2D gold flake.
Conclusions:
- The study provides fundamental insights into single plasmon manipulation in 2D materials.
- Paves the way for advanced quantum plasmonic devices and studies.
- Highlights the potential of 2D crystalline structures in quantum technologies.

