Computing guided modes for an unbounded stratified medium in integrated optics (Q2781502)
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scientific article; zbMATH DE number 1721504
| Language | Label | Description | Also known as |
|---|---|---|---|
| English | Computing guided modes for an unbounded stratified medium in integrated optics |
scientific article; zbMATH DE number 1721504 |
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Computing guided modes for an unbounded stratified medium in integrated optics (English)
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20 March 2002
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finite element method
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exact boundary condition
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unbounded domain
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stratified medium
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guided modes
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optics
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series expansion
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0.92427224
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0.89444464
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0.89272344
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0.88935155
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We present a finite element method to compute guided modes in a stratified medium. The major difficulty to overcome is related to the unboundedness of the stratified medium. Our method is an alternative to the use of artificial boundary conditions and to the use of integral representation formulae. The domain is bounded in such a way we can write the solution on its lateral boundaries in terms of Fourier series. The series is then truncated for the computations over the bounded domain. The problem is scalar and 2-dimensional.
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