Top 10 scientific achievements of 2021 in China

By Wang Yiming
0 Comment(s)Print E-mail China.org.cn, December 30, 2021
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# Breakthrough in quantum computing

Photo taken on Sept. 18, 2021, shows a miniature model of "Zuchongzhi," displayed during the 2021 Quantum Industry Conference. [Photo/Xinhua]

This year, China achieved a quantum computational advantage in two mainstream technical routes: one via photonics quantum computing technology and the other via superconducting quantum computing technology.

Led by renowned Chinese quantum physicist Pan Jianwei, the research team designed a 66-qubit programmable superconducting quantum computing system named Zuchongzhi 2.1.

The readout fidelity of Zuchongzhi 2.1 was considerably improved to an average of 97.74%.

Pan's team also announced the Jiuzhang 2.0, another quantum computer based on light, which can carry out large-scale Gaussian boson sampling septillion times faster than the world's fastest existing supercomputer.

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