Title :
Bidirectional finite-element method-of-line beam propagation method (FE-MoL-BPM) for analyzing optical waveguides with discontinuities
Author :
Kawano, Kenji ; Kitoh, Tsutomu ; Kohtoku, Masaki ; Ito, Toshio ; Hasumi, Yuji
Author_Institution :
NTT Opto-Electron. Labs., Kanagawa, Japan
Abstract :
A bidirectional finite-element method-of-line beam propagation method (FE-MoL-BPM) is newly proposed for analyzing optical waveguides with discontinuities including transmissions, reflections and radiations. In this approach, the finite-element method (FEM) is introduced to discretize the derivatives of the variable perpendicular to the propagation direction. Since the proposed method is accurate and stable, only a small number of nodal points are required.
Keywords :
finite element analysis; light reflection; light transmission; optical waveguide theory; optical waveguides; waveguide discontinuities; accurate; bidirectional finite-element method-of-line beam propagation method; discontinuities; finite-element method; nodal points; optical waveguides; propagation direction; radiation; reflection; stable; transmission; Coatings; Equations; Finite element methods; Indium tin oxide; Optical propagation; Optical reflection; Optical waveguides; Power dissipation; Transmission line matrix methods; Waveguide discontinuities;
Journal_Title :
Photonics Technology Letters, IEEE
