
40Gbps DQPSK Modulator, Sumitomo T.SBZH1.5-20PD-ADC, Dual Drive IQ Modulator This optical modulator is a DQPSK Dual-Drive( Quad GPPO) Mach-Zehnder modulator with modulation speed of up to 22.5Gbaud. The structure of dual drive MZ interferometers enables exact phase match or arbitrary phase difference control, which make it ideal for some novel […]