Where co-packaged optics (CPO) technology stands in 2026

By Majeed Ahmad, EDN | December 30, 2025

Co-packaged optics (CPO) technology, a key enabler for next-generation data center architectures, promises unprecedented bandwidth density and power efficiency by tightly integrating optical engines with switch silicon. But after nearly a decade of existence, where does this next-generation optical interconnect technology stand in terms of broad commercial realization?

But before we delve into CPO’s technology roadmap and its future deployment prospects, here is a brief introduction to this silicon photonics architecture and how it empowers artificial intelligence (AI), high-performance computing (HPC), and high-speed networking applications where electrical signaling over copper wires is reaching its limits.

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