Unified Design Flow for Silicon Photonics

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Unified Design Flow for Silicon Photonics

Silicon photonics is a cost effective technology that can enable large scale photonic integrated circuits for a variety of applications, from bio-sensing circuits to on-chip and intra-chip communication systems. Broad adoption of silicon photonics requires standardized design flows comparable to what is available for electronic circuits.

Lumerical and Mentor Graphics, along with PhoeniX Software, have collaborated to develop a complete design flow for silicon photonics combining familiar EDA tool flows developed for electronic IC design with leading edge photonic system and component simulation tools.

Photonic system designers often have to work with a combination of two approaches – schematic design or layout design – and perform a combination of circuit level and component level simulations. As the technology continues to mature, and the complexity of photonic integrated circuits continues to increase, the need for layout-centric design and component level simulation will be reduced while schematic-driven design and circuit simulations will become dominant.

Silicon Photonics Design Flow Introduction

This video introduces the integrated silicon photonics design flow from Lumerical and Mentor and discusses the various stages of the design flow from schematic capture, to simulation, layout and verification.

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Designing a Photonic Integrated Circuit Component

In this video, the schematic driven design features of the Mentor Graphics Pyxis environment are introduced. A re-usable MZI schematic component is created hierarchically using existing photonic PDK elements, such as waveguides, couplers and phase shifters.

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Circuit Simulation: Frequency Analysis

Highlighting the integration of INTERCONNECT photonic circuit simulator with Pyxis Schematic, setup, execution and analysis of the frequency response of the MZ modulator circuit is demonstrated in this video.

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Circuit Simulation: Transient Analysis

In addition to frequency domain simulations demonstrated in the previous video, INTERCONNECT provides time domain analysis of photonic circuits. The following video demonstrates setup and analysis of a transient response simulation of the MZ modulator within the Pyxis design environment.

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Electro-optical Simulation: Transient Analysis with CMOS Data

To more accurately model and optimize the modulator design, INTERCONNECT is capable of importing electrical stimulus from an external source, such as an ELDO Spice simulation, to provide a more accurate input model for the electrical modulation signal to the MZ modulator. This video shows the simulation results and compares the transient response of the MZ circuit when using the ideal stimulus and the simulated CMOS input signal.

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This innovative integrated design flow for silicon photonics was introduced in September, 2014 at ECOC in Cannes, France.  Lumerical and Mentor Graphics introduced the solution and provided a live demonstration of the design flow from schematic capture through to physical layout and verification. Download and review the ECOC 2014 presentation

The integration with Mentor Graphics Pyxis is available as as a licensed option with INTERCONNECT 4.1 and Mentor Graphics Pyxis. For more information about Lumerical and to find out how you can take advantage of this integration for your design needs, please contact us at support@lumerical.com.

 
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