Lightmatter Joins Open CPX MSA, Introduces the Industry's First Bidirectional CPX Optical Engine

By combining transmit and receive on a single fiber, Passage® L20 CPX halves the optical cabling in AI scale-up networks MOUNTAIN VIEW, Calif., Sept. 17, 2026 /PRNewswire/ -- Lightmatter, the leader in photonic (super)computing, today announced that it has joined the Open CPX Multi-Source...