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Unifying Electronic and Photonic Circuit Simulation

17 Mar 2026 • 1 minute read

The Need For Photonics

The proliferation of artificial intelligence, the rollout of faster mobile networks, and the corresponding demand for vast data storage all require unprecedented processing power and data transfer capacity. To meet these bandwidth requirements, designers are pushing hardware to its absolute limits. However, electrical-only solutions are hitting a physical wall. Power consumption and heat generation pose critical constraints on system performance and operating costs, and the industry needs innovative ways to move data faster without exceeding power budgets.

Photonic integrated circuits (PICs) provide a path forward. By using photons with electrons, PICs offer high-bandwidth, high-energy efficiency, and low cost by leveraging CMOS-compatible manufacturing processes. Designing these complex systems, however, requires advanced tools that can handle both the electrical integrated circuits (EICs) and PICs without creating bottlenecks in your workflow.

Merging Two Worlds into One Engine

Spectre Photonics extends the trusted Spectre Simulation platform into photonic circuit simulation. It directly addresses the increasing complexity of electronic-photonic co-design by merging electrical and photonic simulation into a single, cohesive engine.

Key Features of Spectre Photonics

By integrating photonic capabilities into the simulator, Spectre Photonics delivers a consistent simulation experience. Key advantages include:

  • Versatile and Combined Circuit Simulation: You can simulate EICs or PICs alone or the combined EIC and PIC simultaneously. This single-engine approach ensures accurate results and reveals how different components interact across domains in real-world conditions.
  • Proven Scalability and Performance: Because it builds on the existing Spectre Simulation platform, Spectre Photonics leverages the exact same performance, speed, and massive scalability that engineers already trust for complex electrical designs.
  • Seamless Virtuoso Studio Integration: Spectre Photonics integrates tightly with the Virtuoso Studio environment. You can design, simulate, and analyze your photonic circuits using the exact same interfaces and workflows you use for standard IC design, drastically reducing the learning curve.
  • Open Modeling Framework: The solution is based on open modeling frameworks such as Verilog-A and S-parameters. This gives you the flexibility to create custom models, adapt to specific foundry processes, and tailor the simulation to your exact project requirements.

Advancing the Cadence Photonics Solution

Spectre Photonics is a vital part of the full Cadence photonics solution. It empowers engineering teams to bring high-bandwidth, energy-efficient optical interconnects to market faster.

Ready to streamline your electronic-photonic IC design? Explore the full capabilities of the Spectre Photonics Option and discover how unified simulation can accelerate your next major project.


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