Abstract

Intramodal dispersion in multimode graded-index power-law profiles has been investigated within the WKB approximation. It is found that the intramodal dispersion is mode dependent. The coupling between material and waveguide effects and the influence of waveguide parameters are particularly evidenced in the wavelength region around 1.3 μm where the material dispersion goes through zero.

© 1981 Optical Society of America

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