Viavi Solutions Inc. — AI supply-chain exposure

Viavi Solutions makes the test and measurement instruments used to verify high-speed optical links — the transceivers and fibre that carry data between servers and across a data centre. Its lab and production gear checks that these fast connections actually perform to spec, and it also supplies optical filters and sensing components. In the AI chain it sits alongside the networking layer, as a supplier of test and burn-in capacity that helps qualify the optics an AI cluster leans on.

Its structural hook is that as interconnect speeds climb, testing gets harder and more essential — faster optics leave less margin for error, so the instruments that certify them become a quiet gate on what can ship. Viavi is not on the critical path the way a laser or switch maker is, which is why the model keeps its weight modest, but it is exposed to the same build-out: more optics shipped means more of them have to be tested.