Field Analysis of Dielectric Waveguide De-vices Based on Coupled Transverse-mode in-tegral equation-numerical investigation

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Title:	Field Analysis of Dielectric Waveguide De-vices Based on Coupled Transverse-mode in-tegral equation-numerical investigation
Authors:	H.-W. Chang Y.-H. Wu S.-M. Lu W.-C. Cheng M.-H. Sheng
Contributors:	資訊管理系
Date:	2009-12
Issue Date:	2010-11-17 14:55:25 (UTC+8)
Abstract:	This is a numerical investigation of a recently proposed for-mulation 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 in-terface between waveguide slices are unknown functions, which are gov-erned 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 inde-pendent calculations using other proven methods.
Relation:	Progress In Electromagnetics Research 97：p.159-176
Appears in Collections:	[Dept. of Information Management] Periodical Articles

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