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Accurate finite-element analysis of dual-mode highly elliptical-core fibers

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2 Author(s)
M. Eguchi ; Sapporo Sch. of the Arts, Japan ; M. Koshiba

A scalar finite-element method is used for investigating propagation characteristics of dual-mode highly elliptical-core fibers. The dispersion property, polarization modal birefringence, and spatial modal birefringence are calculated. To improve the accuracy of solutions, isoparametric curvilinear elements are introduced. The applicability of the scalar finite-element method for highly elliptical-core fibers is assessed by comparing the results obtained with the vector finite-element method. An approximate simple approach, in which an elliptical-core is replaced by an appropriate rectangular-core, is also examined

Published in:

Journal of Lightwave Technology  (Volume:12 ,  Issue: 4 )