1.6T Optical Modules and Scale-Up Networks: The Dual Engines Powering Next-Generation AI Infrastructure

As AI workloads continue to scale across hyperscale data centers, networking has emerged as a key constraint on system efficiency and cost. The optical communications industry is moving beyond incremental speed upgrades toward fundamental architectural change, with 1.6T optical modules advancing from proof-of-concept to early commercial adoption and broader deployment expected from 2026 as AI clusters grow in size, density, and interconnect demand.