富士通FTM7977HQA/HQ 马赫泽德调制器, 四臂RF驱动, 适用调制格式DP-QPSK; 保偏输入输出,最高速率可达128Gbps; C+L波段工作.
100Gbps PM-QPSK Modulator, Fujitsu FTM7977HQA, Lithium Niobate DP-IQ Modulator
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.
• Low Drive Voltage, RF VπVoltage 3.5V@32GBaud, Typ.
• 128Gbps (32GBaud) Mach-Zehnder Modulator for DP-QPSK Transmission Format
• Separated DC Bias Port for Each Mach-Zehnder Interferometer
• Dual QPSK modulators and Polarization Beam Combiner are Integrated in One Package
• Integrated Monitor Photodiode for Auto Bias Control
• Low Insertion Loss, ≤12dB Typ.
• Applications – DP-QPSK 128Gps Optical Transmission System
