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PIER PIER B PIER C PIER M PIER Letters
2009-10-13
Field Analysis of Dielectric Waveguide Devices Based on Coupled Transverse-Mode Integral Equation-Numerical Investigation
By
Hung-Wen Chang,

    Prof. Hung-Wen Chang

    Department of Photonics

    National Sun Yat-sen University

    Taiwan, ROC

    Homepage

Yan-Huei Wu,

    Dr. Yan-Huei Wu

    Department of Photonics

    National Sun Yat-sen University

    Taiwan

    Homepage

Shih-Min Lu,

    Dr. Shih-Min Lu

    Institute of Electro-optical Engineering and Department of Photonics

    National Sun Yat-Sen University

    Taiwan, R.O.C.

    Homepage

Wei-Chi Cheng,

    Mr. Wei-Chi Cheng

    Institute of Electro-optical Engineering and Department of Photonics

    National Sun Yat-sen University

    Taiwan

    Homepage

Meng-Huei Sheng

    Dr. Meng-Huei Sheng

    Dept. of Management Information Science

    Chia Nan University of Pharmacy & Science

    Taiwan

    Homepage

Progress In Electromagnetics Research, Vol. 97, 159-176, 2009
doi:10.2528/PIER09091402
Abstract
This is a numerical investigation of a recently proposed formulation, called coupled transverse-mode integral equation (CTMIE), for analyzing EM field properties in general 2-D dielectric waveguide devices. The device is first approximated by stack of piece-wise 1-D horizontally layered structures. Transverse field components on the interface between waveguide slices are unknown functions, which are governed by a coupled integral equation. When unknowns are expanded as a linear combination of given functions, CTMIE is converted to a coupled block matrix equation. We study three waveguide devices, in detail, to understand the relation between modeling parameters and accuracy and convergent rate of the solutions. Examples include a step waveguide junction, a multi-mode interferometer power cross coupler and a linearly tapered waveguide. All results are verified with independent calculations using other proven methods.
Citation
Hung-Wen Chang, Yan-Huei Wu, Shih-Min Lu, Wei-Chi Cheng, and Meng-Huei Sheng, "Field Analysis of Dielectric Waveguide Devices Based on Coupled Transverse-Mode Integral Equation-Numerical Investigation," Progress In Electromagnetics Research, Vol. 97, 159-176, 2009.
doi:10.2528/PIER09091402
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