Nvidia has committed a combined $4 billion to optical networking companies Coherent and Lumentum — $2 billion each — in separate multiyear strategic agreements designed to lock in future AI data center interconnect capacity.

Not Acquisitions, But Strategic Supply Chain Moves

The deals are not acquisitions. Instead, they combine capital investment, multibillion-dollar purchase commitments, and access rights for advanced laser and optical networking products. Nvidia is effectively pre-buying capacity and collaboration at the component level — ensuring the optical layer of next-generation AI clusters won't become a bottleneck.

Both Coherent and Lumentum are directing the funds toward US-based research, development, and manufacturing expansion. Lumentum is building out a new domestic fab; Coherent is scaling R&D and manufacturing capability in the US.

Why Optics, Why Now

As AI clusters grow larger — stretching across racks, rows, and entire data halls — the limits of electrical interconnects become harder to ignore. Power consumption and thermal management penalties mount as data needs to travel farther faster. Optical interconnects address this with dramatically lower power draw and higher bandwidth over distance.

Nvidia has been signaling this shift for over a year, describing optical links and advanced package integration as critical to scaling what it calls "AI factories." These strategic investments suggest the shift from concept to execution is underway.

Timing Aligned With GTC

The deals, announced around early March, arrived just ahead of Nvidia's GTC 2026 conference, where CEO Jensen Huang is highlighting agentic AI infrastructure and $1 trillion in projected demand through 2027. Securing the photonic layer is part of ensuring that projection doesn't hit a wall at the interconnect level.

Coherent and Lumentum, in turn, gain capital, customer commitment, and tighter technical alignment with the world's dominant AI chip supplier.