
in the Stokes space and to gain understanding into the important role of PMD in
these interactions [109–111].
Consider the propagation of two polarized, intensity-modulated signal and pump
waves, propagating at wavelengths
s
and
p
, with different group velocities, and
let us ignore loss, intrasignal chromatic dispersion effects [the @
2
/@t
2
term in Eqn
(17.24)], and PMD. Substituting the sum of the Jones vector representations of
these two signals, U(z,t) = P(z,t) þS(z,t), in Eqn (17.24), it is found that in the
coordinate frame moving with the signal, and under the above-mentioned simplify-
ing conditions (with
¼ 8=9, and the adjoint “þ” superscri ...