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A vector beam propagation method for guided-wave optics

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4 Author(s)
Huang, W.-P. ; Dept. of Electr. & Comput. Eng., Waterloo Univ., Ont., Canada ; Xu, C.L. ; Chu, S.T. ; Chaudhuri, S.K.

A vector beam propagation method (BPM) for the modeling and simulation of electromagnetic wave propagation in optical guided-wave devices is proposed. The vector BPM is based on a finite-difference scheme which takes into account the boundary conditions of the transverse electric fields over the waveguide cross section. By incorporating the vector boundary conditions in the finite-difference scheme, the polarization property of the propagation electromagnetic waves is included in the analysis. The method is applied to a directional coupler made of parallel slabs, and is shown to be in excellent agreement with the exact solutions.<>

Published in:

Photonics Technology Letters, IEEE  (Volume:3 ,  Issue: 10 )