Samsung has outlined a multi-year plan to bring silicon photonics (Dream Chip) into mass production, setting 2028 as the inflection point.

As disclosed by Samsung Foundry, the roadmap frames the Dream Chip as a lever to narrow its gap with TSMC, which still holds a clear lead in advanced manufacturing. The announcement surfaced at OFC 2026 in Los Angeles, where Samsung detailed a “turnkey” model.

It involves bundling silicon photonics with high-bandwidth memory, logic foundry services, and advanced packaging into a single, vertically integrated offering. Silicon photonics replaces electrical signaling with optical transmission.

2028 is when Samsung expects to align silicon photonics with AI accelerators in production environments. The architecture places photonics chips adjacent to switch chips, the point where inbound data traffic aggregates before distribution.

The layout echoes design directions seen in systems like NVIDIA’s Spectrum-X, developed alongside TSMC. Samsung’s 2029 roadmap points to photonics embedded within packaged AI modules, combining GPUs and HBM in integrated stacks.

Semiconductor industry estimates place Samsung roughly three years behind TSMC in this domain. That gap is not purely about process nodes. It extends to ecosystem maturity, design enablement, and customer trust.

Silicon photonics remains early in its commercialization curve, with yield, cost, and standardization still in flux. Yet the direction is hard to ignore. AI workloads are not slowing, and neither are the constraints of traditional interconnects.

One industry source put it bluntly: real competition begins when photonics moves from roadmap to wafer. For Samsung, 2028 is less a deadline and more a proving ground.

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