## Abstract A numerical approach for transition problems in optical waveguides is presented, with the use of the Fourier‐series expansion method combined with the absorbing boundary condition by a perfectly matched layer (PML). The optical propagation along a transition is described by a simple mat
Fast analysis of optical waveguides using an improved Fourier series method with perfectly matched layer
✍ Scribed by Hongting Jia; Dan Zhang; Kiyotoshi Yasumoto
- Publisher
- John Wiley and Sons
- Year
- 2005
- Tongue
- English
- Weight
- 347 KB
- Volume
- 46
- Category
- Article
- ISSN
- 0895-2477
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✦ Synopsis
Abstract
A fast method for analyzing optical waveguides with the use of an improved Fourier series method and an absorbing boundary condition of perfectly matched layer (PML) is proposed. The numerical examples show that the computing cost, calculated accuracy, and convergent speed with the PML condition have been saliently improved, as compared to without the PML condition. The validity of the proposed method have been confirmed via comparison with other methods and measurements. The proposed method can be easily extended to 3D problems. © 2005 Wiley Periodicals, Inc. Microwave Opt Technol Lett 46: 263–268, 2005; Published online in Wiley InterScience (www.interscience.wiley.com). DOI 10.1002/mop.20961
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