GlobalFoundries, Marvell expand SiGe capacity deal for AI optical connectivity

The expanded SiGe capacity deal between GlobalFoundries and Marvell signals a strategic response to surging demand for AI optical interconnects. This move accelerates upstream wafer fabrication advancements and prompts midstream chip designers to prioritize optical IP development, while data center operators face mounting pressure on cost and performance. From a regulatory standpoint, tightening export controls on advanced tech to China may drive such partnerships as risk mitigation strategies. Competitors like Intel and TSMC might respond with in-house optical module investments or acquisitions to counter market consolidation. Over the next 12–24 months, optical interconnect chips are poised to become a critical bottleneck in AI compute capacity, with SiGe gaining traction due to its high bandwidth and low power characteristics, pushing legacy processes toward obsolescence.