Fast-Fourier-based three-dimensional full-vectorial beam propagation method

An accurate and highly efficient fast-Fourier-based full-vectorial beam propagation method (BPM) with perfectly matched layer absorbing boundary conditions is presented. Full vectorial results obtained for highly guiding z-variant structures, such as a spot size converter and a Y-branch in rib techn...

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Bibliographic Details
Published inIEEE photonics technology letters Vol. 17; no. 11; pp. 2319 - 2321
Main Authors Lopez-Dona, J.M., Wanguemert-Perez, J.G., Molina-Fernandez, I.
Format Journal Article
LanguageEnglish
Published New York IEEE 01.11.2005
The Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subjects
Absorption
Beam propagation method (BPM)
Beams (radiation)
Boundary conditions
Business process management
Circuits
Dielectrics
Differential equations
Discrete Fourier transforms
Fourier series
Galerkin method
Moment methods
Optical propagation
Perfectly matched layers
Permittivity
Photonics
Strategy
Yttrium
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Summary:An accurate and highly efficient fast-Fourier-based full-vectorial beam propagation method (BPM) with perfectly matched layer absorbing boundary conditions is presented. Full vectorial results obtained for highly guiding z-variant structures, such as a spot size converter and a Y-branch in rib technology, show that accurate results can be obtained with reduced computational effort, thus making this technique an interesting alternative to other existing BPM strategies.
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ISSN:1041-1135
1941-0174
DOI:10.1109/LPT.2005.857618