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Determination of the Excitation and Coupling Rates Between Light Emitters and Surface Plasmon Polaritons
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Efficient 3D sensitivity analysis of surface plasmon waveguide structures.

Mohamed A Swillam1, Mohamed H Bakr, Xun Li

  • 1Department of Electrical and Computer Engineering, McMaster University, Hamilton, Canada. swillama@mcmaster.ca

Optics Express
|October 15, 2008
PubMed
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This summary is machine-generated.

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We developed a new method for analyzing surface plasmon polaritons (SPPs) waveguides. This approach efficiently calculates design sensitivities using the adjoint variable technique, avoiding extra simulations for improved waveguide analysis.

Area of Science:

  • Photonics and optical engineering
  • Computational electromagnetics
  • Nanophotonics

Background:

  • Surface plasmon polaritons (SPPs) are crucial for nanoscale light manipulation.
  • Waveguide-based SPP structures are key components in integrated photonic circuits.
  • Efficient sensitivity analysis is vital for optimizing these complex structures.

Purpose of the Study:

  • To introduce a novel analytical method for sensitivity analysis of SPP waveguide structures.
  • To enable efficient extraction of sensitivities with respect to all design parameters.
  • To provide an accurate and computationally inexpensive alternative to existing methods.

Main Methods:

  • Utilizing the beam propagation method (BPM) for optical simulations.
  • Employing the adjoint variable technique to derive parameter sensitivities.

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Related Experiment Videos

Last Updated: Jun 29, 2026

Determination of the Excitation and Coupling Rates Between Light Emitters and Surface Plasmon Polaritons
07:39

Determination of the Excitation and Coupling Rates Between Light Emitters and Surface Plasmon Polaritons

Published on: July 21, 2018

Evaluating Plasmonic Transport in Current-carrying Silver Nanowires
09:00

Evaluating Plasmonic Transport in Current-carrying Silver Nanowires

Published on: December 11, 2013

Measurement of Scattering Nonlinearities from a Single Plasmonic Nanoparticle
15:06

Measurement of Scattering Nonlinearities from a Single Plasmonic Nanoparticle

Published on: January 3, 2016

  • Avoiding computationally expensive finite difference methods.

    • Main Results:

    • The adjoint variable technique efficiently extracts sensitivities without additional BPM simulations.
    • Achieved accuracy comparable to traditional central finite difference methods.
    • Demonstrated successful application to various SPP structures and applications.

    Conclusions:

    • The proposed analytical approach offers an efficient and accurate method for SPP waveguide sensitivity analysis.
    • This technique significantly reduces computational cost compared to conventional methods.
    • The approach is versatile and applicable to diverse SPP-based photonic devices.