Me. Marhic et al., CANCELLATION OF 3RD-ORDER NONLINEAR EFFECTS IN AMPLIFIED FIBER LINKS BY DISPERSION COMPENSATION, PHASE-CONJUGATION, AND ALTERNATING DISPERSION, Optics letters, 20(8), 1995, pp. 863-865
We show that in principle it is possible to cancel third-order nonline
ar effects in optical fiber links. The necessary conditions exist in t
wo-segment links, with dispersion compensation, phase conjugation, and
amplification between the two, as well as opposite chromatic dispersi
on coefficients in the segments. The cancellation is independent of lo
ss, modulation format, and modulation frequency.