Abstract
It is widely accepted that spinning a fiber while it is drawn is one
of the most effective way to reduce its polarization mode dispersion. In this
paper, the mean square differential group delay of rapidly, periodically spun
fibers is analyzed by means of a theoretical model with a wide range of validity.
It is shown that under particular conditions, and in contrast with the common
sense, the spinning process may actually increase the fiber differential group
delay rather than reducing it. This effect depends on the autocorrelation
function of the intrinsic birefringence of the fiber and may be achieved by
properly tuning the spin function.
© 2008 IEEE
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