Polarization Mode Properties of an Elliptical Stress-Cladding Fiber

Nori SHIBATA  Katsunari OKAMOTO  Masataka NAKAZAWA  Shigeyuki SEIKAI  Masamitsu TOKUDA  

IEICE TRANSACTIONS (1976-1990)   Vol.E68    No.5    pp.277-283
Publication Date: 1985/05/25
Online ISSN: 
Print ISSN: 0000-0000
Type of Manuscript: PAPER
Category: Optical and Quantum Electronics

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Polarization mode properties of a polarization-preserving fiber having elliptical stress-cladding with barrier layer around the core are clarified theoretically and experimentally. Normalized frequency dependence of modal birefringence and polarization mode dispersion were measured for the polarization-preserving fiber. It is found from theoretically and experimentally evaluated results that the elliptical stress-cladding fiber has polarization-mode properties similar to those of the polarization-preserving fiber having isolated stress-producing lobes. Stress profiles of the elliptical stress-cladding fiber were measured and calculated for confirming the polarization-mode properties of the fiber. It is known from the measured results that the similarities of polarization-mode properties between the elliptical stress-cladding fiber and the fiber will stress-producing lobes are caused by those of differential stress profiles around the core regions between them.