Title :
The nonunitarity of finite-element beam propagation algorithms
Author :
Deng, Henghua ; Yevick, David
Author_Institution :
Dept. of Electr. & Comput. Eng., Univ. of Waterloo, Ont., Canada
fDate :
7/1/2005 12:00:00 AM
Abstract :
We examine the intrinsic nonunitarity of one-way finite-element propagation techniques in order to clarify the results of previous authors.
Keywords :
finite element analysis; light propagation; beam propagation algorithms; finite-element algorithms; nonunitarity; Eigenvalues and eigenfunctions; Equations; Finite difference methods; Finite element methods; Magnetic fields; Optical propagation; Optical refraction; Optical variables control; Propagation losses; Refractive index; Electric field propagation; integrated optics; numerical techniques;
Journal_Title :
Photonics Technology Letters, IEEE
DOI :
10.1109/LPT.2005.848328
