Using an asymptotic analysis, we obtain an eigenvalue equation for the
general mode dispersion in Bragg fibers. The asymptotic analysis is applied
to calculate the dispersion relation and the field distribution of TE modes
in a Bragg fiber. We compare the asymptotic results with exact solutions and
find excellent agreement between them. This asymptotic approach greatly simplifies
the analysis and design of Bragg fibers.
© 2000 Optical Society of America
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