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Neurophos, a Texas-based startup, has developed a 56 GHz optical chip that reportedly delivers up to ten times the computing power of Nvidia's latest AI supercomputer while consuming similar energy. The Optical Processing Unit (OPU) utilizes light for data processing and features a single photon sensor with a 1,000x1,000 matrix, significantly larger than typical AI GPUs. Although still in testing, large-scale production is expected by 2028, pending resolution of challenges related to vector processors and static memory.