Title :
Improved Bidirectional Beam-Propagation Method by a Fourth-Order Finite-Difference Scheme
Author :
Zhang, Hua ; Mu, Jianwei ; Huang, Wei-Ping
Author_Institution :
McMaster Univ., Hamilton
Abstract :
A fourth-order finite-difference formula is applied to bidirectional beam-propagation method based on scattering operators. The method is shown to provide significant improvement in accuracy and efficiency, particularly for waveguide structures of high index contrast.
Keywords :
finite difference methods; light scattering; optical waveguides; bidirectional beam-propagation method; fourth-order finite-difference scheme; high-index-contrast waveguides; scattering operators; waveguide structures; Coupling circuits; Finite difference methods; Light scattering; Optical propagation; Optical scattering; Optical waveguides; Particle scattering; Photonic integrated circuits; Stability; Waveguide discontinuities; Bidirectional beam propagation; finite-difference methods; high-index-contrast waveguides; scattering operators;
Journal_Title :
Lightwave Technology, Journal of
DOI :
10.1109/JLT.2007.902762
