Lightmatter, Inc.

Lightmatter develops photonic chips and interconnect platforms for AI computing, including Passage interconnects, Guide light engines, and reference platforms such as the Passage M1000. Its co-packaged optics and 3D photonic interposers are designed to scale bandwidth for AI supercomputers and data centers. The company is headquartered in Mountain View, California, and works with manufacturing partners including TSMC, GlobalFoundries, Tower Semiconductor, Amkor, and ASE.