Guo Shangping, Wu Feng, Ikram Khalid, Albin Sacharia
Photonics Laboratory, Department of Electrical and Computer Engineering, Old Dominion University, Virginia 23529, USA.
Opt Lett. 2004 Jan 1;29(1):32-4. doi: 10.1364/ol.29.000032.
We propose a full-vectorial Galerkin method for the analysis of circular symmetric fibers with arbitrary index profiles. A set of orthogonal Laguerre-Gauss functions is used to calculate the dispersion relation and mode fields of TE and TM modes. Examples are given for both standard step-index fibers and Bragg fibers. For standard step-index fiber with low or high index contrast, the Galerkin method agrees well with the analytical results. In the case of the TE mode of a Bragg fiber it agrees well with the asymptotic results.
