Advantest and OpenLight Tackle Photonics Testing

Advantest Corporation and OpenLight have entered a partnership to build scalable test solutions for silicon photonics, aimed specifically at high volume manufacturing. The focus is on one of the less visible but critical layers of the AI hardware stack, how optical components are tested before they ever reach data centers.

It’s not an accident with the timing. As the AI and high performance computing workloads start surging, data centers are moving toward silicon photonics and co packaged optics, to deal with higher bandwidth lower latency, and also better power efficiency. But scaling these technologies is not just a design problem. It is a manufacturing and testing problem.

That is where this collaboration comes in. Advantest, known for semiconductor test equipment, will work with OpenLight, which specializes in heterogeneous silicon photonics integration and custom photonic ASIC design, to develop end to end testing solutions for electro optical devices including optical engines.

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The goal is straightforward. Make testing fast, reliable, and scalable enough to support mass production, not just lab level validation. If successful, it removes a key friction point in bringing next generation optical interconnects into real world AI and data center infrastructure at scale.