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This episode explores the intersection of artificial intelligence infrastructure and silicon photonics through a discussion with guests from FEMA. The conversation breaks down how modern AI models exceed the capabilities of single GPUs and traditional copper interconnects, necessitating a massive transition to optical networking within data centers. The guests explain how Europe's deep-rooted talent in photonics and newly acquired industrial infrastructure position the region to address critical supply chain bottlenecks in the $10 trillion AI buildout.
The host welcomes listeners to the episode and introduces the topic of photonics.
Yannick shares his early career in silicon photonics, while Herwig discusses his investment journey into the field.
Discussion of why copper interconnects are insufficient and how photonics offers higher bandwidth for AI workloads.
Exploration of how modern AI data centers differ from traditional hyperscale centers, emphasizing traffic and latency needs.
Herwig explains how FEMA was founded, leveraging European industrial capacity and talent.
Discussion of how FEMA attracts top talent from global tech giants and builds a self-sustaining ecosystem.
The team outlines their production schedule, aiming to start output in 2027 and ramp up by 2028.
Herwig and Yannick share their final insights on Europe's underrated potential and the future of photonics.
Transition from Copper to Opticsinsight
As GPUs process larger AI models faster, copper interconnects run out of steam, forcing a transition to optical interconnects for higher bandwidth.
AI Factory Traffic Patternsinsight
Modern AI infrastructure involves heavy server-to-server and GPU-to-GPU communication, requiring flatter and denser network architectures.
Grid Constraints and Expansionsstory
Data center operators face severe power grid limitations, such as Google spending three years negotiating in Amsterdam before moving plans.
Supply Chain Bottlenecksinsight
While front-end silicon photonics wafers are produced by major foundries, the supply chain for lasers, raw material substrates, and tools is severely constrained.
European Industrial Advantagestrategy
The acquisition of an established European foundry provides ready infrastructure and decades of local photonic talent to meet urgent market demand.
Nvidia Operating Cultureinsight
Nvidia operates with startup-like agility, emphasizing fast failure and an apolitical organizational structure where contribution matters more than titles.
Academic Research Dominancedata
Between 2000 and 2015, the University of Ghent produced 35 percent of the 4,000 global peer-reviewed white papers on photonics.
“We need to interconnect multiple GPUs together to run these models.”
“The energy consumption is answer number one because it's existential to them.”
“Europe has been investing successfully in innovation.”
“If you look at a AI factory today, half of that is GPUs.”
“The innovation that has occurred here has not been commercialized in Europe.”
AI's next infrastructure bottleneck? It's everything connecting them. As AI models grow, they increasingly need to run across massive clusters of GPUs. Traditional copper interconnects are running out of steam, pushing the industry toward optical interconnects and silicon photonics. I sat down with Thema's Herwig Van Hove and Yannick De Koninck in Monaco to go deep on the photonics supply chain powering the next generation of AI infrastructure. Yannick spent five years at NVIDIA, where he helped build its silicon photonics technology from scratch to product-ready maturity. He left what he calls the “golden palace” to join Thema and help build large-scale photonics manufacturing in Europe. Herwig comes from deep tech investing and saw a different problem. The innovation was ready, but the industrial supply chain wasn't prepared for the speed or scale of AI demand. We get into › Why copper is running out of steam inside AI infrastructure › How photonics could reduce the networking and energy bottlenecks facing AI factories › Why the photonics supply chain wasn't prepared for the AI boom › What Yannick learned building silicon photonics at NVIDIA › Thema's plan to begin production in 2027 and build a major photonics manufacturing platform in Europe Thema believes the opportunity extends far beyond a single component. “If you look at an AI factory today, half of that is GPUs, but the other half is the technology to interconnect these GPUs.” Herwig believes Europe has a rare opportunity to turn decades of photonics research into industrial scale, pointing to ASML as proof that Europe has done it before. Recorded at the Strike x Sourcery Summit in the South of France Herwig Van Hove: https://www.linkedin.com/in/herwigvanhove https://www.linkedin.com/in/herwigvanhove/?skipRedirect=true Yannick De Koninck: https://www.linkedin.com/in/yannick-de-koninck-63304314 https://www.linkedin.com/in/yannick-de-koninck-63304314/ Molly O’Shea: https://x.com/MollySOShea Sourcery: https://x.com/sourceryy 𝐄𝐏𝐈𝐒𝐎𝐃𝐄 𝐋𝐈𝐍𝐊 YouTube: https://youtu.be/HfSIbxNv-To 𝐒𝐏𝐎𝐍𝐒𝐎𝐑𝐒 • Brex https://brex.com/sourcery—The modern finance platform, combining the world’s smartest corporate card with integrated expense management, banking, bill pay, & travel. https://brex.com/sourcery • Zone https://zonefrontier.com/—develops next-generation data center campuses, partnering with AI companies, site developers and technology leaders to bring compute online faster and at scale. Visit: https://zonefrontier.com https://zonefrontier.com/ • Turing https://turing.com/sourcery—Turing delivers top-tier talent, data, and tools to help AI labs improve model performance—and enables enterprises to turn those models into powerful, production-ready systems. https://turing.com/sourcery • VCX https://fundrise.com/vcx—VCX is the public ticker for private tech, allowing investors of all sizes to invest in venture capital. View The Portfolio at http://GetVCX.com http://getvcx.com • Deel https://www.deel.com/sourcery—Deel is the global people platform that helps startups hire, manage, pay, and equip anyone, anywhere. Trusted by more than 35,000 fast-growing companies, Deel is the people platform that just works, so teams can scale without the chaos. Visit: https://www.deel.com/sourcery • Public http://public.com/sourcery–Investing platform Public just launched Generated Assets https://public.com/generated-asset, which lets you turn any idea into an investable index with AI. With Generated Assets, you can build, backtest, refine, and invest in any thesis with AI. Gone are the days of one-size-fits-all ETFs. https://public.com/sourcery Follow Sourcery for the latest updates! https://www.sourcery.vc https://www.sourcery.vc/ Disclosure Paid Endorsement. Brokerage services by Open to the Public Investing Inc, member FINRA & SIPC. Advisory services by Public Advisors LLC, SEC-registered adviser. Crypto trading provided by Zero Hash LLC, licensed by the NYSDFS. Generated Assets is an interactive analysis tool by Public Advisors. Output is for informational purposes only and is not an investment recommendation or advice. See disclosures at public.com/disclosures/ga. Matched funds must remain in your account for at least 5 years. Match rate and other terms are subject to change at any time.
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