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The world's first mobile quantum satellite ground station successfully docked with the Mozi

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The reporter learned from the Jinan Municipal Government on December 31 that the world ’s first mobile quantum satellite was jointly developed by the University of Science and Technology of China, the University of Science and Technology of China, the National Shield Quantum Technology Co., Ltd and the Jinan Institute of Quantum Technology on the 30th. The ground station successfully docked with the Mozi satellite in Jinan, marking an important breakthrough in China's scientific and technological innovation and application in the quantum field.

China has always been a world leader in the field of quantum secret communication. On August 16, 2016, the "Mozzi" quantum scientific experimental satellite was launched, and it was the first to carry out three key technology researches such as quantum key distribution in the world. On September 29, 2017, the world's first intercontinental quantum secure communication video call between Beijing and Vienna, Austria was realized.

It is understood that "Mozi" is 500 kilometers from the ground. At 23:31:44 on the 30th, the Quantum Satellite Ground Station was automatically searched and accurately docked with the Mozi satellite. After the docking is completed, the Mozi can distribute the key, and the key can be tested after receiving it at the ground station in Jinan. The entire docking process lasted nearly 8 minutes and was successfully completed.

As a key part of the integrated world-wide quantum communication network, the construction of the National Quantum Confidential Communication Backbone Network “Beijing-Shanghai Main Line” has been completed, with a total length of more than 2,000 kilometers. And other application demonstrations.

At present, the Jinan quantum communication test network has successfully connected to the "Beijing-Shanghai Main Line" and has become an important part of China's wide-area quantum communication network. The "Mozi" quantum satellite Jinan ground station built on this basis will carry out related technology research on quantum key distribution and other Jinan metropolitan networks such as the Jinan Network and the Party and Government Network to further serve government affairs, finance, and education To meet the needs of other fields, create a new project of "quantum +" application demonstration. (Reporter Wang Zhi)

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