Type of Document Master's Thesis Author Barake, Taha Mohamed URN etd-3034112939721181 Title A Generalized Analysis of Multiple-Clad Fibers with Arbitrary Step-Indx Profiles and Applications Degree Master of Science Department Electrical and Computer Engineering Advisory Committee
Advisor Name Title Besieris, Ioannis M. Johnson, Lee W. Safaai-Jazi, Ahmad Committee Chair Keywords
- multiple-clad fibers
- dispersion-altered fibers
Date of Defense 1997-04-22 Availability unrestricted AbstractA generalized analysis of multiple-clad
cylindrical dielectric structures with step-index
profiles is presented. This analysis yields unified
expressions for fields, dispersion equation and
cutoff conditions for weakly guiding optical
fibers with step-index but otherwise arbitrary
profiles. The formulation focuses on triple-clad
fibers, but can accommodate single and
double-clad fibers as special limiting cases.
Using the generalized solutions, transmission
properties of several types of specialty fibers
for broadband applications, including
dispersion-shifted, dispersion-flattened, and
dispersion compensating fibers, are studied.
Improved designs for dispersion-shifted and
dispersion compensating fibers are achieved.
Fiber parameters and material compositions for
the improved designs are provided. The
proposed design for the dispersion-shifted fiber
yields zero second-order as well as third-order
dispersion at the 1.55 micrometer wavelength.
The dispersion compensating fiber proposed
here provides a large negative dispersion of
about -400 ps/nm.km at the 1.55 micrometer
wavelength for the fundamental mode.
Numerical results for dispersion characteristics,
cutoff wavelengths, and radial field distributions
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