Modal characteristics of three-layered optical fibre waveguides: A modified approach

Tsao, Charles Y.H., Payne, D.N. and Gambling, W.A. (1989) Modal characteristics of three-layered optical fibre waveguides: A modified approach. Journal of the Optical Society of America A, 6, (4), 555-563. (doi:10.1364/JOSAA.6.000555).


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By invoking Debye potentials, we formulate exact eigenvalue equations and the corresponding field distributions for general, three-layered, radially stratified, dielectric, and nonferromagnetic metal, optical fibers. By using cross products of Bessel functions, which may be regarded as the basic functional elements of the eigenvalue equations, a comparison is made between the properties of a three-layer structure and a simple step-index profile, and a simple graphical solution is obtained. The technique is applied to several practical structures, including two-layer fibers having a central index depression in the core, ring-core fibers, W fibers, and progressively stepped three-layered structures. The mathematical procedure is simple, and the results are of interest to optical fiber designers.

Item Type: Article
Digital Object Identifier (DOI): doi:10.1364/JOSAA.6.000555
ISSNs: 1084-7529 (print)
1520-8532 (electronic)
Related URLs:
Subjects: Q Science > QC Physics
T Technology > TK Electrical engineering. Electronics Nuclear engineering
Divisions : University Structure - Pre August 2011 > Optoelectronics Research Centre
ePrint ID: 78474
Accepted Date and Publication Date:
Date Deposited: 11 Mar 2010
Last Modified: 04 Oct 2016 16:18

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