Verilog-A behavioral model for resonance-modulated silicon micro-ring modulator.

Area of Science:

• Photonics and Optical Engineering
• Semiconductor Device Modeling
• Electronic System Design

Background:

• Silicon micro-ring modulators (MRMs) are key components in integrated photonics.
• Accurate behavioral models are crucial for efficient design and simulation of MRMs.
• Existing models may lack sufficient detail or integration capabilities.

Purpose of the Study:

• To develop a Verilog-A behavior model for silicon MRMs.
• To ensure the model accurately represents both electrical and optical characteristics.
• To facilitate co-simulation of MRMs with electronic driving circuits.

Main Methods:

• Developed an equivalent circuit for electrical characteristics.
• Applied couple-mode theory for optical characteristics.
• Validated the model against measurements from a fabricated silicon MRM.

Main Results:

• The Verilog-A behavior model accurately predicts silicon MRM performance.
• Simulation results closely match experimental measurements.
• The model enables straightforward co-simulation in standard electronic design environments.

Conclusions:

• The presented Verilog-A model offers high accuracy for silicon MRMs.
• This model simplifies the co-design of MRMs and their driving electronics.
• It enhances the efficiency of integrated silicon photonics design workflows.