Title :
Difficulty with vectorial BPM
Author_Institution :
France Telecom/CNET, Lannion, France
fDate :
1/2/1997 12:00:00 AM
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 :
light propagation; refractive index; beam propagation method; optical device modelling; power conservation; refractive index; vectorial BPM;
Journal_Title :
Electronics Letters
DOI :
10.1049/el:19970014
