Abstract
In this work, an accurate and efficient iterative numerical approach suitable for the analysis of 3-D guided wave structures is presented. The proposed method is fully vectorial and based on the transverse magnetic field formulation. In order to enhance the computational efficiency of the proposed method, a hybrid implementation is utilized using Padé approximants in tandem with a reduced spectrum of eigenpairs. The present formulation can account for the presence of strong and multiple longitudinal discontinuities. Convergence of this iterative approach is achieved by the use of a simple preconditioner. The accuracy and efficiency of the proposed method are demonstrated by applying it to two different guided wave structures with multiple longitudinal discontinuities.
| Original language | English |
|---|---|
| Pages (from-to) | 117-124 |
| Number of pages | 8 |
| Journal | IEEE Journal of Quantum Electronics |
| Volume | 45 |
| Issue number | 2 |
| DOIs | |
| State | Published - 2009 |
Bibliographical note
Funding Information:Manuscript received January 13, 2008; revised April 19, 2008. Current version published December 05, 2008. This work was supported by King Fahd University of Petroleum and Minerals, Dhahran, Saudi Arabia, under Project SB070017.
Keywords
- 3-D waveguides
- Full-vectorial methods
- Padé approximations
- Waveguide discontinuities
ASJC Scopus subject areas
- Atomic and Molecular Physics, and Optics
- Condensed Matter Physics
- Electrical and Electronic Engineering
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