Open AccessSimulation of three-dimensional waveguide discontinuities by a full-vector mode-matching method based on finite-difference schemes
Author(s) -
Jianwei Mu,
WeiPing Huang
Publication year - 2008
Publication title -
optics express
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.394
H-Index - 271
ISSN - 1094-4087
DOI - 10.1364/oe.16.018152
Subject(s) - perfectly matched layer , optics , waveguide , classification of discontinuities , physics , finite difference method , finite difference , finite difference time domain method , polarization (electrochemistry) , computation , radiation mode , computer science , mathematics , mathematical analysis , single mode optical fiber , optical fiber , algorithm , chemistry , thermodynamics
A rigorous full-vector analysis based on the finite-difference mode-matching method is presented for three-dimensional optical wave propagation problems. The computation model is facilitated by a perfectly matched layer (PML) terminated with a perfectly reflecting boundary condition (PRB). The complex modes including both the guided and the radiation fields of the three-dimensional waveguide with arbitrary index profiles are computed by a finite-difference scheme. The method is applied to and validated by the analysis of the facet reflectivity of a buried waveguide and the power exchange of a periodically loaded dielectric waveguide polarization rotator.