Application of Bi-CGSTAB to waveguide discontinuity problems

Application of Bi-CGSTAB to waveguide discontinuity problems

Scattering at a waveguide end facet or other waveguide discontinuities can be calculated by an iterative method together with rational approximations to the related square root operators. Previous work uses the classical Neumann series as the iteration scheme. We demonstrate that the method can be s...

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Veröffentlicht in:IEEE photonics technology letters 2002-05, Vol.14 (5), p.645-647
Hauptverfasser: Wei, Su Hua, Lu, Ya Yan
Format: Artikel
Sprache:eng
Schlagworte:
Approximation
Eigenvalues and eigenfunctions
Iterative methods
Mathematical analysis
Operators
Optical reflection
Optical refraction
Optical scattering
Optical surface waves
Optical waveguides
Photonics
Roots
Scattering
Sparse matrices
Vertical cavity surface emitting lasers
Waveguide discontinuities
Waveguide discontinuity
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Beschreibung
Zusammenfassung:Scattering at a waveguide end facet or other waveguide discontinuities can be calculated by an iterative method together with rational approximations to the related square root operators. Previous work uses the classical Neumann series as the iteration scheme. We demonstrate that the method can be significantly improved if bi-conjugate gradient stabilized is used instead.
ISSN:1041-1135
1941-0174
DOI:10.1109/68.998712