General Description
• 100Gz Mach-Zehnder modulator for "DP-QPSK" transmission format
• 2QPSK modulators and Polarization Beam Combiner are integrated in one package
• Low drive voltage
• Built-in monitor photo diodes for each polarization
• RoHS compliant
• OIF compliant
The only difference between the FTM7977HQ/217 and FTM7978HQ/207 models is the optical delay between X & Y. For model 7977 optical delay is -5.2~-1,2 ps; For model 7978 is 13.5~18.5 ps