Network analysis of eigenvalue problem for multilayer dielectric waveguide consisting of arbitrary number of layers

Abstract

In this paper, the eigenvalue problem of a multilayer dielectric waveguide consisting of arbitrary number of layers is solved by the microwave network method. A general program with the function of computer graphics has been developed for analyzing the dispersion characteristics and the electromagnetic field distributions of anN layer dielectric waveguide. As an example of practical applications, the procedure of mode conversion and mode separation in dielectric branching wavegu i des is vividly demonstrated through analyzing the field distributions of asymmetric multilayer dielectric structures and the general rules of mode conversion are discussed.