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Spectral and Angle-Resolved Magneto-Optical Characterization of Photonic Nanostructures
Published on: November 21, 2019
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Coupled-mode approach to surface plasmon polaritons in nonlinear periodic structures
A Marini1, A V Gorbach, D V Skryabin
1Centre for Photonics and Photonic Materials, Department of Physics, University of Bath, Bath BA2 7AY, UK.
Optics Letters
|October 23, 2010
Summary
We developed a theory for light in nonlinear plasmonic waveguides. Our model predicts unique propagation behaviors and the existence of plasmon solitons.
Area of Science:
- Photonics and optical physics.
- Condensed matter physics.
Background:
- Plasmonic waveguides offer unique light confinement properties.
- Nonlinear effects in plasmonics are crucial for advanced optical devices.
Purpose of the Study:
- To develop a theoretical framework for light propagation in nonlinear plasmonic waveguide arrays.
- To investigate the impact of nonlinearity on light propagation dynamics.
Main Methods:
- Coupled-mode theory applied to nonlinear plasmonic waveguide arrays.
- Analysis of propagation constant dependence on transverse quasi-momentum.
Main Results:
- Predicted a two-band dependence of the propagation constant versus transverse quasi-momentum.
- Demonstrated the existence of discrete and gap plasmon solitons.
Conclusions:
- The coupled-mode theory accurately describes light propagation in these systems.
- The findings suggest potential for novel soliton-based optical functionalities.
