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Updated: Jun 23, 2026
07:39
Determination of the Excitation and Coupling Rates Between Light Emitters and Surface Plasmon Polaritons
Published on: July 21, 2018
Directional, nonpropagating, and polychromatic excitations in one-dimensional wave systems
Dylan Moses1, Choon How Gan, Greg Gbur
1Department of Physics and Optical Science, University of North Carolina at Charlotte, 9201 University City Boulevard, Charlotte, North Carolina 28223, USA.
Summary
Researchers created localized and unidirectional wave excitations in one-dimensional systems. These novel wave phenomena can be extended to multiple frequencies and may aid in developing new wave devices.
Area of Science:
- Physics
- Wave phenomena
- Condensed matter physics
Background:
- Monochromatic waves in one-dimensional systems can exhibit unique localization or directional propagation properties.
- Understanding these nonpropagating and directional excitations is crucial for advancing wave physics.
Purpose of the Study:
- To extend the concept of localized and unidirectional wave excitations to include arbitrary finite numbers of frequencies.
- To explore mathematical methods for constructing these multi-frequency excitations.
- To investigate the relationship between nonpropagating excitations and nonscattering scatterers.
Main Methods:
- Mathematical construction of localized and directional wave excitations.
- Analysis of wave propagation in one-dimensional systems.
- Theoretical investigation of multi-frequency wave phenomena.
Main Results:
- Demonstrated the generation of nonpropagating and unidirectional wave excitations with multiple frequencies.
- Presented two distinct mathematical techniques for constructing these complex wave excitations.
- Established a connection between nonpropagating excitations and the concept of nonscattering scatterers.
Conclusions:
- The study successfully extends the principles of localized and directional wave excitations to multi-frequency scenarios.
- The developed mathematical techniques provide a framework for creating novel wave phenomena.
- Findings have potential applications in the design of devices for one-dimensional and quasi-one-dimensional wave systems.
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