Abstract
Narrowband fiber parametric amplification is known to provide slow and
fast light capabilities. Here, an analytical expression of the maximum slow
light time delay achievable in ideal, isotropic fibers is derived. Then, the
effects of random birefringence on the slow and fast light ability are numerically
investigated by integrating the governing equations over a large number of
statistical realizations of the fiber. The different polarization rotation
along the fiber for the signal, the idler, and the pump reduces the amplifier
mean gain and the mean time delay. For small random birefringence, the decrease
of the mean delay can be directly imputed to the reduction of the mean gain.
For large random birefringence, severe pulse distortion occurs, the mean delay
is further reduced and the delay uncertainty highly enhanced. The influence
of the stimulated Raman scattering is finally addressed.
© 2008 IEEE
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