Industry Explores Scaling Paths for CPO Multi-Site Testing
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On October 21, 2026, Semiconductor Engineering reported on experts from Teradyne, Advantest, ISE Labs, and Keysight discussing paths to scale CPO optical engine testing from single-site to multi-site. The experts noted that fiber alignment is the main bottleneck in current CPO testing, and multi-site probe cards could significantly ease this problem; progress by companies such as Technoprobe in probe cards offers some hope. The topic remains at the industry technical discussion stage, with no reports yet of concrete implementation or follow-up developments.
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- Semiconductor Engineering Chips and PackagingScaling CPO Testing Beyond A Single Die
Experts from Teradyne, Advantest, ISE Labs, and Keysight discussed paths for scaling CPO optical engine testing from single-site to multi-site. Fiber alignment is currently the main testing bottleneck; multi-site probe cards are expected to significantly ease this issue, and progress by companies such as Technoprobe in probe cards offers some hope.
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