Lightmatter

Every major AI lab is building toward the same thing: a single coherent machine made of hundreds of thousands of processors, training models too large for any one chip to hold. The compute exists. The problem is connecting it.

Electrical interconnects hit a wall. Bandwidth is constrained by the physical perimeter of the chip—the shoreline. As clusters grow, the number of connections scales quadratically, but the edges of the package don’t. GPUs spend more time waiting for data than computing. Trillions of dollars in silicon, underutilized.

Light doesn’t have this problem. Photons travel without resistive loss, cross paths without interference, and carry multiple signals on a single fiber. The physics are fundamentally better.

Lightmatter builds the photonic infrastructure for AI at scale—interconnects, lasers, and eventually compute itself.