Performance of nide-band photonic links (PL's) using Mach-Zehnder modu
lators (MZM's) is reported, Comparison parameters include loss, noise
figure, and spur-free dynamic range (SFDR). The feasibility of a 0-dB
noise-figure link even with passive matching is given and the advantag
es of dual-output MZM's are presented, A new figure of merit is introd
uced to quantitatively optimize link performance with or without a pre
amplifier.