Abstract
Supercontinuum generation in “photonic crystal” fibers results from a relatively small core size and anomalous group velocity dispersion.1,2 Although the polarization sensitivity of this process has been previously noted2 it has not been investigated in polarization maintaining Hi-Bi fiber. We have fabricated photonic crystal fibers with an intentionally high birefringence by stacking capillaries and rods as previously reported.3 A repre-sentative scanning electron micrograph is shown in Figure 1. Typically, our fibers had a core dimension in the range of 1 -4 µm and polarization- rnode beat lengths of substantially less than 1 mm -less than that previously reported in conventional fibers.
© 2001 Optical Society of America
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