Title :
Birefringence in graded-index monomode fibres with elliptical cross-section
Author_Institution :
Australian National University, Department of Applied Mathematics, Institute of Advanced Studies, Canberra, Australia
Abstract :
A general expression is presented for the phase difference between the two polarisation states of the fundamental mode on a monomode fibre with arbitrary refractive-index profile and elliptical cross-section. Numerical results indicate that the degree of circularity required of a practical fibre to achieve a given bandwidth may be less than that predicted by assuming a step-index profile.
Keywords :
optical fibres; optical waveguide theory; bandwidth; birefringence; circularity; elliptical cross section; graded index optical fibres; monomode fibres; optical waveguide theory; phase difference; two polarisation states;
Journal_Title :
Electronics Letters
DOI :
10.1049/el:19800114
