China achieves quantum computational advantage in two mainstream technical routes

[superadmin]

A Chinese research team has successfully designed a 66-qubit programmable superconducting quantum computing system named "Zuchongzhi 2.1," significantly enhancing the quantum computational advantage.

This remarkable feat makes China the first country to achieve a quantum computational advantage in two mainstream technical routes – one via photonics quantum computing technology and the other via superconducting quantum computing technology, the team noted.

The study was led by renowned Chinese quantum physicist Pan Jianwei and was published online on Monday Beijing Time in the journal Physical Review Letters and Science Bulletin.

In December 2020, the researchers built the quantum computer prototype, "Jiuzhang," through which up to 76 photons were detected, achieving quantum computational advantage.

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