Related Experiment Video
Updated: May 18, 2026
07:39
Determination of the Excitation and Coupling Rates Between Light Emitters and Surface Plasmon Polaritons
Published on: July 21, 2018
Analysis of long-range surface plasmon polaritons in nonlinear plasmonic waveguides using pseudospectral method
1Department of Physics and Institute of Nanoscience, National Chung Hsing University, Taichung 40227, Taiwan. cch@phys.nchu.edu.tw
Optics Express
|October 6, 2012
Summary
A novel full-vectorial pseudospectral method accurately solves nonlinear waveguide modes. This approach efficiently analyzes dielectric and plasmonic waveguides, including complex anisotropic materials.
Area of Science:
- Optics and Photonics
- Computational Electromagnetics
- Materials Science
Background:
- Nonlinear optical waveguides are crucial for advanced photonic devices.
- Accurate modeling of their mode characteristics is computationally challenging.
- Existing methods may struggle with complex material properties like biaxial anisotropy.
Purpose of the Study:
- To develop and validate a full-vectorial pseudospectral method for analyzing nonlinear dielectric and plasmonic waveguides.
- To investigate the mode characteristics in saturable media with biaxial anisotropy.
- To compare the method's accuracy and efficiency against established techniques.
Main Methods:
- Formulation of coupled equations in terms of transverse magnetic-field components.
- Self-consistent solution using an iterative procedure.
- Application to nonlinear dielectric optical waveguides and nonlinear plasmonic waveguides.
Main Results:
- Demonstrated accuracy and efficiency by solving mode bistability in a nonlinear dielectric optical waveguide.
- Successfully analyzed the power dispersion curve for long-range surface plasmon polariton modes.
- Validated the method's capability for saturable media with biaxial anisotropy.
Conclusions:
- The developed full-vectorial pseudospectral method is accurate and efficient for nonlinear waveguide analysis.
- The method provides a robust tool for studying complex optical phenomena in dielectric and plasmonic systems.
- It enables detailed investigation of geometry and power dependencies in waveguide design.
