论文信息 - Difficulty with vectorial BPM

Difficulty with vectorial BPM

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.

C. Vassallo | C. Vassallo

[1] Antonio-Daniele Capobianco,et al. Noniterative vectorial beam propagation method with a smoothing digital filter , 1996 .

[2] G. Yip,et al. An improved finite-difference vector beam propagation formulation for graded-index waveguides , 1994, IEEE Photonics Technology Letters.