Feb 12, 2026
Chinese Researchers Build Quantum Key Distribution Chip Network Covering 3,700 km
A team led by Wang Jianwei from Peking University's School of Physics, and Gong Qihuang, academician of the Chinese Academy of Sciences, has developed a series of high-performance, fully integrated photonic quantum chips. On the basis of these chips, they constructed a twin-field QKD network comprising 20 quantum chip nodes.
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