
An asymmetric dispersion map and unequalized power evolution were chosen to test
the robustness of the FPP compensation scheme. Figure 20.27(b) illustrates a particu-
larly promising result: not only that the end-of-link waveform gets reassembled to near-
launch form, but it also exhibits a higher extinction factor due to partial signal
regeneration.
20.7 WAVELENGTH CONVERSION
Of the many approaches to wavelength conversion, all-optical solutions based on
the ultrafast Kerr nonlinearity arguably have the greatest potential for both speed
and simpl icity, and of these, both phase- and nonphase-matched approaches have
been reported. We begin by a discussion ...