Shulou(Shulou.com)11/24 Report--

Thank you, Mr. Air, a netizen of CTOnews.com, for your clue delivery! CTOnews.com, October 11, according to a CCTV news report, recently, China has successfully constructed a prototype of quantum computing with 255 photons, "Chapter 9 3", once again setting a new world record for the technical level of optical quantum information and the superiority of quantum computing.

According to the report, the research team composed of Pan Jianwei, Lu Chaoyang and Liu Nile of the Institute of Quantum Information and Quantum Science and Technology Innovation of the Chinese Academy of Science and Technology of the University of Science and Technology of China cooperated with the Shanghai Institute of Microsystems and Information Technology of the Chinese Academy of Sciences and the National parallel computer Engineering Technology Research Center. Researchers design a new photon detection method for space-time demultiplexing, and build a high-fidelity quasi-photon number resolved detector, which improves the level of photon manipulation and quantum computational complexity.

According to the published optimal classical precision sampling algorithm, the processing speed of Gaussian boson sampling by "Nine Chapter 3" is 1 million times faster than that of the previous generation "Nine Chapter 2". The most complex sample processed by "Nine Chapter 3" in 1/1000000 seconds takes more than 20 billion years for the current most powerful supercomputer "Frontier". This achievement further consolidates China's international leading position in the field of optical quantum computing.

CTOnews.com learned from public data that the name of the quantum computing prototype "Nine chapters" is to commemorate the earliest mathematical monograph in ancient China, "Nine chapters arithmetic." the project is conducted by Pan Jianwei's team from the University of Science and Technology of China, the Shanghai Institute of Microsystems of the Chinese Academy of Sciences and the National parallel computer Engineering Technology Research Center. On December 4, 2020, the University of Science and Technology of China announced that Pan Jianwei and others had successfully built a 76-photon quantum computing prototype named "Nine chapters". This breakthrough makes China the second country in the world (the first is Google's Sycamore) to realize "quantum superiority".

At the end of October 2021, the University of Science and Technology of China announced that Pan Jianwei, Lu Chaoyang, Liu Nile and others had cooperated with the Shanghai Institute of Microsystems and Information Technology of the Chinese Academy of Sciences and the National parallel computer Engineering Technology Research Center to successfully build 113 quantum computing prototypes of photon 144 mode, "Jiuzhang 2".

According to the previous news of the University of Science and Technology of China, at about 2: 00 a.m. on November 21, 2021, a water leak occurred in the quantum computer "Nine chapters" laboratory, and five students dealt with the dangerous situation in time, avoiding at least 24 million yuan in property losses and possible delays in the research and development of "Nine chapters 3". For this reason, the National Research Center of Micro-scale material Science in Hefei awarded 120000 yuan to 5 students who discovered and disposed of laboratory leaks in time.

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