Comparison of DAC less PAM4 modulation in segmented ring resonator and dual cascaded ring resonator
We compare the performance of 25 Gb/s PAM4 modulation in segmented ring and dual cascaded ring resonators driven by CMOS drivers designed in 65nm process. With optimized frequency detuning, the segmented ring modulator is found to achieve larger eye opening with lower power consumption.
2017 IEEE Optical Interconnects Conference (OI)