Transcription of Optical waveguide analysis using Beam Propagation Method
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1 OOppttiiccaall wwaavveegguuiiddee aannaallyyssiiss uussiinngg BBeeaamm PPrrooppaaggaattiioonn MMeetthhoodd Term Paper for Introduction to Optoelectronics spring 2006 Prof. Frank Barnes Page 10: My MATLAB implementation of double slit diffraction using beam Propagation Method Sri Rama Prasanna Pavani Micro- Optical Imaging Systems Laboratory University of Colorado at Boulder 2 Introduction Closed form analytical solutions for the wave equation can be easily determined only for a few symmetrical structures such as cylindrical and slab waveguides. In complicated structures with bends such as y-couplers, analytic closed form solutions cannot be derived.
3 Beam propagation method The beam propagation method is a numerical way of determining the fields inside a waveguide. With this method, the mode profile of an unusual waveguides such as y-
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