Material effects in airguiding photonic bandgap fibers

Laegsgaard, Jesper; Mortensen, Niels Asger; Riishede, Jesper; Bjarklev, Anders

Material effects in airguiding photonic bandgap fibers

Authors

Laegsgaard, Jesper

Mortensen, Niels Asger

Riishede, Jesper

Bjarklev, Anders

Description

The waveguiding properties of two silica-based airguiding photonic bandgap fiber designs are investigated with special emphasis on material effects. The nonlinear coefficients are found to be 1-2 orders of magnitude smaller than those obtained in index-guiding microstructured fibers with large mode areas. The material dispersion of silica makes a significant contribution to the total chromatic dispersion although less than 10% of the field energy is located in the silica regions of the fibers. These findings suggest that dispersion engineering through the choice of base material may be a possibility in this type of fibers.
Accepted for J. Opt. Soc. Am. B