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The modified beam propagation method

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2 Author(s)
Nyman, B.M. ; AT&T Eng. Res. Center, Princeton, NJ, USA ; Prucnal, P.R.

A method is presented for the analysis of waveguide structures with abrupt index changes in both the transverse and axial directions. The method accurately includes the reflected fields and the Goos-Hanchen shift. The method can be extended to three-dimensional and graded index structures, and to include diffraction effects. For a graded index structure with no abrupt index changes the method reduces to the standard beam propagation method

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Lightwave Technology, Journal of  (Volume:7 ,  Issue: 6 )