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Siemens collaborates with GlobalFoundries to provide trusted silicon photonics verification

Daniel Nenni

Admin
Staff member
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[/TD]

Siemens' Calibre® nmPlatform now enables designers to leverage the newest GlobalFoundries (GF) silicon photonics platform.[/TD]

Siemens Digital Industries Software today announced that its Calibre® nmPlatform now enables designers to leverage the newest GlobalFoundries (GF) silicon photonics platform. GF’s next generation, monolithic platform, GF Fotonix™ is the first in the industry to combine its differentiated 300mm photonics and RF-CMOS features on a silicon wafer, delivering best-in-class performance at scale.

The GF Fotonix process design kits (PDKs) include Siemens’ Calibre® nmDRC software for design rule checking (DRC) and Calibre® nmLVS software for layout vs. schematic (LVS) verification. Both Calibre tools are fully certified by GF, so mutual customers designing for the new GF Fotonix platform can continue to use the trusted Calibre nmPlatform for silicon photonic devices as they have used for previous offerings.

“Siemens EDA is pleased to extend our mutual solution with GF into the emerging silicon photonics market,” said Michael Buehler-Garcia, vice president of Calibre Design Solutions product management. “While silicon photonic designs and their subsequent inclusion into multi-die offerings introduce new verification complexities, these complexities are addressed in the Calibre silicon photonics design kits, which require no change to how designers traditionally use Calibre.”

GF Fotonix consolidates complex processes that were previously distributed across multiple chips onto a single chip by combining a photonic system, radio frequency (RF) components and high-performance complementary metal–oxide–semiconductor (CMOS) logic on just one silicon chip.

“Our collaboration with Siemens EDA is another example of how GF is partnering with industry leaders to deliver innovative, time-to-market solutions for our customers,” said Mike Cadigan, senior vice president for Customer Design Enablement, GF. “The combination of Siemens’ Calibre tools, for both design verification and post tape-out operation, with the GF Fotonix solution, can help designers efficiently create the powerful, flexible, and power-efficient solutions required in today’s next-generation datacenter, computing, and sensing applications.”

Silicon photonics enables companies to bring fiber optics directly into integrated circuits. However, silicon photonic devices contain curved layouts, rather than the linear Manhattan grid features found in traditional CMOS designs. Applying traditional CMOS DRC to silicon photonic layouts yields numerous false positive errors that design teams must often spend weeks tracking down. To address this challenge, GF leverages Siemens’ Calibre eqDRC™ software, which allows rule checks to use equations in place of, or in addition to, linear measurements. This helps enable more accurate results, leading to significantly fewer errors, so design teams can spend far less time and fewer resources debugging their designs.

Similarly, the curvilinear nature of photonic structures, together with the general lack of source netlists for optics, poses a challenge when performing LVS checking. Traditional IC LVS technology extracts physical measurements from well-understood electronic structures and compares them to the intended corresponding elements in the source netlist. However, with curved structures it is difficult, if not impossible, to discern where one structure begins and another ends. With the new GF Fotonix PDK with Calibre LVS, this obstacle is resolved with the use of text and marker layers to discern regions of interest.

Silicon photonic devices are often implemented in an individual die on a specific process node, then stacked and packaged with the rest of design components in multiple dies using advanced heterogeneous packaging technologies. By using the complete core Calibre offering, total verification cycle times can be greatly reduced.

Siemens Digital Industries Software is driving transformation to enable a digital enterprise where engineering, manufacturing and electronics design meet tomorrow. The Xcelerator portfolio helps companies of all sizes create and leverage digital twins that provide organizations with new insights, opportunities and levels of automation to drive innovation. For more information on Siemens Digital Industries Software products and services, visit siemens.com/software or follow us on LinkedIn, Twitter, Facebook and Instagram. Siemens Digital Industries Software – Where today meets tomorrow.

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Contact for journalists
Siemens Digital Industries Software PR Team
E-mail: press.software.sisw@siemens.com[/TD]
 
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