Abstract

A characterizing technique for radially asymmetric multimode optical waveguides is proposed. By using a precisely measured refractive-index distribution of an asymmetric optical waveguide, ray equations are solved numerically, and practical ray tracing in the asymmetric multimode optical waveguide is realized. The behavior of the asymmetric optical waveguide is evaluated by tracing a number of rays in the asymmetric waveguide. As an example of the technique, some characterizing results are demonstrated. This technique is accurate, fast, and applicable to analyses of arbitrary multimode optical waveguides.

© 1989 Optical Society of America

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