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Compact Verilog-A Modeling Of Silicon Traveling-Wave Modulator For Hybrid Cmos Photonic Circuit Design, Kehan Zhu, Vishal Saxena, Wan Kuang
Compact Verilog-A Modeling Of Silicon Traveling-Wave Modulator For Hybrid Cmos Photonic Circuit Design, Kehan Zhu, Vishal Saxena, Wan Kuang
Electrical and Computer Engineering Faculty Publications and Presentations
A compact Verilog-A model of silicon-based junction traveling-wave Mach-Zehnder modulator (MZM) is developed for hybrid CMOS and photonic system-level simulation in Cadence environment. Critical device functions such as the voltage dependent change of refractive index, small-signal RLGC parameters for the MZM arms are extracted from the photonic device characterization from OpSIS foundry. Thermo-optical coefficient is also considered in the model. Simulation results including electro-optic S21 is characterized for the phase modulator's bandwidth. Also, transient MZM operation with non-return to zero (NRZ) data transmission at 10 Gb/s and 20 Gb/s rates are demonstrated.