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Related Experiment Video

Updated: May 21, 2026

Fabrication And Characterization Of Photonic Crystal Slow Light Waveguides And Cavities
11:08

Fabrication And Characterization Of Photonic Crystal Slow Light Waveguides And Cavities

Published on: November 30, 2012

Pseudospectral mode solver for analyzing nonlinear optical waveguides.

Chia-Chien Huang1

  • 1Department of Physics and Institute of Nanoscience, National Chung Hsing University, Taichung 40227, Taiwan. cch@phys.nchu.edu.tw

Optics Express
|June 21, 2012
PubMed
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A new pseudospectral numerical mode solver analyzes nonlinear waveguides and plasmonics. It accurately models complex modal solutions and nonlinear optical properties for diverse applications.

Area of Science:

  • Nonlinear optics
  • Computational electromagnetics
  • Materials science

Background:

  • Nonlinear optical waveguides and plasmonic structures are crucial for advanced photonic devices.
  • Accurate numerical methods are needed to analyze complex modal behavior in these systems.
  • Existing methods may struggle with arbitrary nonlinear media and biaxial properties.

Purpose of the Study:

  • To develop and implement a robust numerical mode solver for nonlinear dielectric and plasmonic waveguides.
  • To analyze complete power dispersion curves, including unstable modes.
  • To incorporate biaxial nonlinear refractive indices and investigate nonlinear surface plasmons.

Main Methods:

  • A pseudospectral numerical scheme is employed for solving nonlinear waveguide equations.

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Last Updated: May 21, 2026

Fabrication And Characterization Of Photonic Crystal Slow Light Waveguides And Cavities
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Published on: November 30, 2012

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  • Two nonlinear iterative approaches are implemented, treating mode power and effective index as eigenvalues.
  • The solver is applied to transverse magnetic (TM) modes, nonlinear surface plasmons, and 2D strip waveguides.

    • Main Results:

    • The solver successfully obtains complete power dispersion curves for stable and unstable modal solutions.
    • Biaxial nonlinear refractive indices are considered for practical materials.
    • Analysis of nonlinear surface plasmons and 2D strip waveguides with nonlinear substrates is performed.

    Conclusions:

    • The developed pseudospectral mode solver is a versatile tool for analyzing complex nonlinear optical phenomena in waveguides and plasmonics.
    • The method provides accurate insights into modal characteristics and power dispersion.
    • This work advances the understanding and design of nonlinear photonic devices.