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Fabrication And Characterization Of Photonic Crystal Slow Light Waveguides And Cavities
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Single-mode optical waveguides.

C Yeh, K Ha, S B Dong

    Applied Optics
    |March 10, 2010
    PubMed
    Summary
    This summary is machine-generated.

    A new modified finite-element method efficiently analyzes wave propagation in complex, single-mode dielectric waveguides with varying refractive indices. This powerful technique applies to diverse waveguide shapes for optical applications.

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    Area of Science:

    • Optics and Photonics
    • Computational Electromagnetics

    Background:

    • Wave propagation in dielectric waveguides is fundamental to optical technologies.
    • Analyzing waveguides with arbitrary shapes and inhomogeneous refractive indices presents significant computational challenges.

    Purpose of the Study:

    • To develop an efficient and powerful numerical technique for analyzing wave propagation.
    • To address the problem of wave propagation in arbitrarily shaped single-mode dielectric waveguides with cross-sectional index variations.

    Main Methods:

    • A modified finite-element method (FEM) was employed.
    • The technique discretizes the waveguide cross-section for numerical analysis.

    Main Results:

    • The modified FEM provides an efficient and powerful solution for wave propagation analysis.
    • The method was successfully applied to various waveguide geometries, including triangular, elliptical, rectangular, and optical stripline guides.

    Conclusions:

    • The developed modified finite-element method is a versatile and effective tool for simulating wave propagation.
    • This technique facilitates the design and analysis of complex dielectric waveguides for optical applications.