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Self-assembled dipole nanolasers
Kevin G Stamplecoskie1, Michel Grenier, Juan C Scaiano
1Department of Chemistry and Centre for Catalysis Research and Innovation, University of Ottawa , 10 Marie Curie, Ottawa, Ontario K1N 6N5, Canada.
Journal of the American Chemical Society
|February 12, 2014
Summary
Researchers developed a simple method to create nanolasers using visible light, silver nanoparticles, and monomers. This process allows for tunable organic gain media, enabling precise control over nanolaser fabrication.
Area of Science:
- Nanotechnology
- Materials Science
- Optics
Background:
- Surface plasmon lasers, or spasers, offer unique optical properties.
- Developing simple and controllable fabrication methods for spasers is crucial for their application.
Purpose of the Study:
- To present a synthetically simple method for fabricating nanolasers.
- To demonstrate the tunable nature of the gain medium in these nanolasers.
Main Methods:
- Visible light excitation of silver nanoparticles in the presence of polymerizable monomers and dyes.
- Self-assembly process triggered by light.
Main Results:
- Successful fabrication of nanolasers through a straightforward process.
- Incorporation of a thin, fully organic gain medium.
- Demonstrated tunability of core absorption to selected dyes or dye to core material.
Conclusions:
- The developed method offers a versatile and simple approach to spaser synthesis.
- The process allows for spatial and temporal control over nanolaser fabrication.
- This advancement facilitates the development of tunable nanolasers.
