Particle.news
Download on the App Store

Nvidia Doubles Down on Photonics With $6.5 Billion Bet and Call for Vast Laser Capacity Ramp

The company is pushing optical interconnects to cut energy use and remove data‑transfer limits on large AI clusters.

Overview

  • In late May Nvidia disclosed at least $6.5 billion in commitments since March to firms building photonics tech, including $2 billion packages to Lumentum, Coherent and Marvell and $500 million stakes in Corning and Ayar Labs.
  • Rosenblatt reported Nvidia asked suppliers to expand indium phosphide (InP) laser capacity roughly 20x through 2030 while suppliers proposed a smaller roughly 12x ramp.
  • Nvidia says it is integrating silicon photonics into its networking and GPU‑to‑GPU interconnects to enable larger, more energy‑efficient rack and cluster designs, according to CEO Jensen Huang.
  • Analysts warn manufacturing yield, precise optical‑to‑silicon alignment and complex co‑packaged optics packaging remain major barriers that could delay volume deployment until later in the decade.
  • The push has re‑rated supplier stocks in 2026 and leaves markets watching Nvidia’s upcoming product roadmaps and Computex presentations for clearer timing and scale of photonics rollouts.