Compact photonic model based on coupled-mode theory for nonlinear interactions in electronic-photonic co-simulation

Area of Science:

• Photonics and Optical Engineering
• Electronic Design Automation (EDA)
• Computational Electromagnetics

Background:

• Nonlinear optical interactions, such as four-wave mixing (FWM) and cross-phase modulation (XPM), are critical in photonic systems.
• Accurate and efficient modeling is essential for the co-design and co-optimization of electronic-photonic hybrid systems.
• Existing modeling approaches may be computationally intensive or lack compatibility with standard EDA platforms.

Purpose of the Study:

• To develop a Verilog-A compact photonic model for simulating nonlinear optical interactions.
• To provide a general framework and methodology for electronic-photonic co-simulation.
• To accelerate the co-design and co-optimization of hybrid electronic-photonic systems.

Main Methods:

• Development of a Verilog-A compact photonic model based on coupled-mode theory.
• Implementation of the model within existing Electronic Design Automation (EDA) platforms.
• Validation of the model against numerical and experimental results.

Main Results:

• The proposed model accurately simulates nonlinear interactions including FWM and XPM.
• The model is compatible with EDA tools, enabling rapid electronic-photonic co-simulation.
• Simulation results show good agreement with established numerical and experimental data.
• A successful closed-loop co-simulation example demonstrates the model's practical application.

Conclusions:

• The Verilog-A photonic model offers a simplified yet effective approach to modeling nonlinear optical phenomena.
• The presented framework facilitates efficient co-design and co-optimization of electronic-photonic systems.
• The model's versatility allows its application to various photonic devices and other nonlinear interactions.