
Nvidia's $4 Billion Secret: Why Photonics Is the Next AI Gold Rush
The $4 Billion Signal On March 2, 2026, Nvidia did something unusual. It didn’t announce a new GPU. It didn’t acquire an AI startup. Instead, it invested $4 billion in two optics companies: $2 billion in Lumentum $2 billion in Coherent Neither company makes chips. Neither trains AI models. They make one thing: optical components that move data with light. Why would the world’s most valuable AI company spend $4B on… lasers? ...
