Abstract
In this article, a full-wave numerical approach based on the compact 2-D finite-difference time-domain (FDTD) method is used for the analysis of hybrid modes of channel multilayer and multiple quantum well (MQW) waveguides. Numerical results in terms of field distributions and dispersion characteristics as a function of number of layers are given, and they are compared with available results obtained by the vector finite-element method. In addition, by comparing the field distributions of the hybrid mode and the scalar mode, it is found that to closely model the natural property of the channel multilayer and MQW waveguide systems, an analysis of the hybrid modes is necessary. © 1997 John Wiley & Sons, Inc. Microwave Opt Technol Lett 15: 398–403, 1997.
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