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Trapping of Micro Particles in Nanoplasmonic Optical Lattice
Published on: September 5, 2017
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Path-selective lasing in nanostructures based on molecular control of localized surface plasmons.
Atsushi Yamada1, Daniel Neuhauser2, Renaud Vallée1
1CNRS, University of Bordeaux, CRPP, UPR8641, 115 av. Schweitzer, 33600 Pessac, France. vallee@crpp-bordeaux.cnrs.fr.
Nanoscale
|November 4, 2016
Summary
We introduce a novel Y-shaped nanodevice exhibiting path-selectivity and anisotropic lasing. This plasmonic nanostructure utilizes gain-based loss-compensation for controlled light guiding and switching functionalities.
Area of Science:
- Plasmonics
- Nanophotonics
- Optics
Background:
- Localized plasmon polaritons enable novel light-matter interactions.
- Anisotropic materials offer unique optical properties for light manipulation.
Purpose of the Study:
- To propose a new nanodevice with path-selectivity and anisotropic lasing.
- To explore the role of gain and anisotropy in nanodevice functionality.
- To demonstrate potential for light-guiding switching.
Main Methods:
- Design of a Y-shaped plasmonic nanostructure.
- Embedding the nanostructure in an anisotropic gain medium.
- Theoretical analysis of loss-compensation and amplification mechanisms.
Main Results:
- The nanodevice exhibits both path-selectivity and anisotropic lasing.
- Anisotropy enhances path-selectivity, especially with gain.
- Potential for light-guiding switching via rotation of the host medium.
Conclusions:
- The proposed nanodevice is potentially realizable using bottom-up fabrication.
- This work opens avenues for advanced optical switching and guiding devices.
