Lightmatter joined the Open CPX Multi-Source Agreement (MSA) and introduced the Passage L20 CPX optical module in a September 17, 2026 announcement, which the company described as the first Open CPX module for AI infrastructure to use bidirectional (BiDi) optical link technology. Lightmatter said the module halves the fiber and connectors required in AI scale-up networks. The Passage L20 CPX is powered by the Passage L20 optical engine, the near-package optics (NPO) platform Lightmatter…
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