Optical Computing Reaches Commercialization Inflection Point: Lightelligence PACE 3 Photonic Chip With 256x256 Matrix, First Real-World Deployed Photonic Computing at WAIC 2026

At WAIC 2026, Lightelligence said photonic computing is crossing from research into commercialization.

The company showcased Tianshu Light Cube as a deployed photonic system used in access control.

It also launched PACE 3, a photonic chip with a 256x256 matrix for large-model inference and lower latency.

Lightelligence positioned optical computing as a hybrid photoelectric platform that can improve energy efficiency without forcing software rewrites.

Key challenges remain: building the ecosystem and scaling costs to compete with GPUs and other accelerators.