Brand New Fujitsu 100G DP-QPSK Optical Modulator LN Single-Drive MZ C/L Band FTM7977HQA

C Band: 1528-1565nm

L Band: 1565-1612nm

General Description
This optical modulator is a Ti:LiNbO3 DP-QPSK Single-Drive Mach-Zehnder

modulator with modulation speed of up to 31.4Gbaud.
This modulator comprises 3dB coupler, two QPSK modulators, polarization rotator followed

by the polarization beam combiner and the built-in monitor PD chips for automatic bias

control (ABC) for the compensation system of DC-drift and other phenomena.
Detailed structure and the function block diagram are shown in the appendix 1.

Electrical Terminal
(1) RF Terminal: GPPO or GPPO compliant connector, male
(2) DC Terminal: Feed-through Pin
(3) Monitor PD Terminal: Feed-through Pin