Peking University Researchers Replace Electrical Links With Optical Networks to Accelerate AI

By Neetika Walter · Interesting Engineering · 2026-07-13

Interesting Engineering reports that a research team in China has developed a prototype optical interconnect system capable of processing AI inference tasks 100 times faster than traditional GPU setups. By utilizing a 400 Gbps silicon photonic transceiver and a custom switching c

Interesting Engineering reports that a research team in China has developed a prototype optical interconnect system capable of processing AI inference tasks 100 times faster than traditional GPU setups. By utilizing a 400 Gbps silicon photonic transceiver and a custom switching c