TSMC tackles the AI I/O wall with two COUPE bandwidth paths and deeper heterogeneous integration

Digitimes
By Levi LiAug 31, 2026, 4:50 am111 pts
TSMC is sharpening its silicon photonics (SiPh) roadmap to address the widening gap between AI compute growth and chip-to-chip data movement, unveiling two bandwidth-scaling paths for its next-generation COUPE platform and outlining a broader role for heterogeneous integration in future co-packaged optics.

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