Enhanced ESI for prediction of waveguide dispersion in single-mode optical fibres

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Abstract

We provide an enhanced equivalent step index (EESI) approximation for the accurate prediction of waveguide dispersion on monomode optical fibres. Using a quadratic ‘enhancement function’ the waveguide dispersion even for the triangular core profile fibre can be predicted to be between 92 and 100% of its exact value in the single-mode region.

References

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      • Nelson, B.P., Wright, J.V.: `Problems in the use of ESI parameters in specifying monomode fibres', Br. Telecom Technol. J., 1984, 2, p. 81-85
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