Lightmatter is a computing infrastructure company founded in 2017, developing photonic technology to address data movement bottlenecks in large-scale artificial intelligence systems. Its core products are designed for the communication layer of AI supercomputers, replacing traditional electrical interconnects with optical ones.
The company's product portfolio includes Passage™ photonic interconnects and Guide® light engines. Passage is engineered to provide massive bandwidth scaling, enabling communication between thousands or millions of processors at the speed of light within data center environments. These technologies target hyperscale data centers and high-performance computing clusters used for AI workloads.
Lightmatter has raised $850 million in funding and achieved a valuation of $4.4 billion, reflecting significant investment in the photonics-based approach to next-generation AI infrastructure. The company operates at the intersection of photonics, semiconductor design, and high-performance computing engineering.
