In early September, researchers working on China's third-generation superconducting quantum computer Origin Wukong reported a coherent quantum routing system aimed at bucket-style quantum random-access memory. On the real machine in Hefei, a single quantum router reached about 98% information transmission efficiency; a two-layer cascaded network held about 93%. Average fidelities were reported at 94.8% for a single router and 82.4% for the two-l…
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