Difficulty with vectorial BPM
- 2 January 1997
- journal article
- Published by Institution of Engineering and Technology (IET) in Electronics Letters
- Vol. 33 (1) , 61-62
- https://doi.org/10.1049/el:19970014
Abstract
Derivatives of the refractive index along the propagation axis are neglected in the current formulations of semivectorial or full vectorial BPM. It is pointed out that this approximation can lead to noticeable errors and even to the violations of power conservation.Keywords
This publication has 2 references indexed in Scilit:
- Noniterative vectorial beam propagation method with a smoothing digital filterJournal of Lightwave Technology, 1996
- An improved finite-difference vector beam propagation formulation for graded-index waveguidesIEEE Photonics Technology Letters, 1994