Abstract
During the last few years there has been increasing interest in the study of holey optical fibers (HF). Recently an efficient method to analyze holey fibers by using Hermite-Gaussian expansions for the modal fields has been proposed. A scalar algorithm1 which basically solves Helmholtz equation was used to analyze a realistic holey fiber structure, and was compared with the experimental results. Another more detailed analysis also based on the scalar algorithm provides the dispersion curves and the effective areas of modal fields as well.2 For large-air-fraction holey fibers, the vectorial algorithm provides more accurate results than the scalar one because of the consideration of coupling effects in refractive index discontinuities. A vectorial algorithm3 has been proposed to analyze large-hole structures. This algorithm, however, assumes the decoupling of the two transverse field components and should really be classified as a semi-vectorial algorithm. Here we propose a full-vectorial algorithm, which solves the wave equations exactly, without the assumption of de-coupling of the two transverse fields.
© 2002 Optical Society of America
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