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Efficient and accurate vector mode calculations by beam propagation method

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

An in-depth study of the beam propagation method for the vector mode calculation of optical waveguides is presented. It is established that the imaginary-distance propagation method may be generalized to vectorial modes for arbitrary structures by combining it with the finite-difference vector beam propagation method (FD-VBPM). A simple, unified theory and analysis are developed. An assessment of the accuracy and efficiency is carried out by comparing the simulated results with the analytical solutions for well-known structures

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Lightwave Technology, Journal of  (Volume:11 ,  Issue: 7 )