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Year-ender: China's sci-tech achievements in 2022

chinadaily.com.cn | Updated: 2022-12-26 06:40
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China sets world record in long-distance quantum states transmission

Chinese scientists made record-breaking progress in realizing quantum states transmission between two ground stations- the Lijiang station in Yunnan province and the Delingha ground station in Qinghai province, which are over 1,200 kilometers apart, via a quantum scientific experiment satellite, signaling a giant step towards constructing a global quantum information processing and communication network.

The experiment was led by Pan Jianwei, physics professor from the University of Science and Technology of China, and the related paper was then published in the journal of Physical Review Letters on April 26.The technological breakthrough combines the quantum teleportation scheme based on two-photon path-polarization mixed entangled state.

The long-distance quantum states transmission, usually being realized by quantum teleportation, is one of the major approaches for building quantum communication networks and an essential requirement for realizing multiple quantum information processing tasks.

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