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Numerical analysis of optical waveguides with the use of Fourier-series expansion method combined with perfectly matched layer

✍ Scribed by Kiyotoshi Yasumoto; Koki Watanabe; Junya Ishihara

Publisher: John Wiley and Sons
Year: 2002
Tongue: English
Weight: 387 KB
Volume: 34
Category: Article
ISSN: 0895-2477
DOI: 10.1002/mop.10482

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✦ Synopsis

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 matrix algebra. The numerical examples demonstrate that the radiation modes with wider propagation angle are strongly attenuated in the presence of PML, and hence unwanted interference of the boundary‐reflected radiation field to the guided wave field is suppressed. © 2002 Wiley Periodicals, Inc. Microwave Opt Technol Lett 34: 422–426, 2002; Published online in Wiley InterScience (www.interscience.wiley.com). DOI 10.1002/mop.10482

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