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Time Domain Analysis of Nonlinear Optical Waveguides

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Abstract

In general coupled-mode theories provide a good insight on nonlinear devices. However, they are unreliable for the analysis of the detailed behaviour and quantitative predictions. Therefore numerical methods are necessary [1]. In nonlinear waveguides the orthogonality relation between modal fields does not hold. Therefore, optical pulses cannot be expanded into harmonic waves, and the application of beam propagation techniques [2-6] is questionable. On the other hand, time domain propagation algorithms allow to simulate the propagation of pulses [7] and have the general advantages of fiali vectorial formulation, calculation of transmission characteristica in one step, and the automatic and accurate inclusion of reflections.

© 1995 Optical Society of America

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