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Minimization of the chromatic dispersion over a broad wavelength range in a single-mode optical fiber

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Author

  • Richard Lundin

Summary, in English

The effective refractive-index as a function of vacuum wavelength is approximated

by Lagrange interpolation polynomials. The root-mean-square value

of the chromatic dispersion is then calculated analytically. It is demonstrated

that use of fourth degree polynomials is far more efficient than use of second

degree polynomials. The rms-value of the chromatic dispersion over the wavelength

range [1.25 µm, 1.60 µm] is calculated and minimized for step-index

fibers, triangular-index fibers, and α-power fibers. The full vector solution of

Maxwell’s equations is used. It is demonstrated that the approximate model

of the refractive-index, used in this paper and in other papers, induces an error

in the rms-value which is not negligible when designing dispersion-flattened

fibers.

Publishing year

1992

Language

English

Publication/Series

Technical Report LUTEDX/(TEAT-7018)/1-15/(1992)

Document type

Report

Publisher

[Publisher information missing]

Topic

  • Other Electrical Engineering, Electronic Engineering, Information Engineering
  • Electrical Engineering, Electronic Engineering, Information Engineering

Status

Published

Report number

TEAT-7018

Research group

  • Electromagnetic theory