On October 11, the quantum communication concept stock indicated that it was active.Shenglu Communicationsrise and stop,HKUST achieved a 7.46% increase,National Shield Quantum, Zhongke Shuguang, Aerospace ElectronicsAnd so on, it went up one after another.

According to the news,On October 11, a research team composed of Pan Jianwei and Lu Chaoyang of the University of Science and Technology of China collaborated 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 announce the successful construction of the 255 photon quantum computing prototype “Chapter 3.”This achievement once again set a world record for optical quantum information technology. Solving mathematical problems sampled by Gauss Bose-sampled is 100 million times faster than the world's fastest supercomputer at present, and is an important step on the way to developing quantum computers.

Solving specific problems is 100 million times faster than supercomputing

A research team composed of Pan Jianwei, Lu Chaoyang, and Liu Nile from the Institute of Quantum Information and Quantum Technology Innovation of the Chinese Academy of Sciences of the University of Science and Technology of China collaborated with the Shanghai Institute of Microsystems of the Chinese Academy of Sciences and the National Parallel Computer Engineering Technology Research Center to successfully build the 255 photon quantum computing prototype “Chapter 9, 3” which once again set the world record for the technical level of optical quantum information and the superiority of quantum computing.

Researchers have designed a new photon detection method using space-time demultiplexing, constructed a high-fidelity quasi-photon number resolvable detector, and improved the level of photon manipulation and the complexity of quantum computation. According to the best classical accurate sampling algorithm published publicly, the speed at which “Chapter 9 3” processes Gaussian Bose sampling is 1 million times higher than the previous generation “Chapter 9 2”. The most complex sample processed by “Chapter 9, 3” in one-millionth of a second required the currently most powerful supercomputer “Frontier” (Frontier) to spend more than 20 billion years.This achievement has further strengthened China's leading position in the field of optical quantum computing in the field of optical quantum computing.

Schematic diagram of the experimental device

It is worth noting that the internationally renowned academic journal “Physics Review Express” published this result. According to the publicly announced optimal algorithm, “Chapter 9 3” processes Gaussian Bose sampling 1 million times faster than the previous generation of “Chapter 9 2”. “Chapter 9 3” is the most complex sample that can be calculated in 1 microsecond. Currently, the world's fastest supercomputer “Frontier” (Frontier) takes about 20 billion years.

The international competitive trend of optical quantum computing

quantum computingIt is a new computational paradigm in the post-Moorish era. In principle, it has ultra-fast parallel computing capabilities, and is expected to achieve exponential acceleration compared to classical computers on some problems with significant social and economic value through specific quantum algorithms. Therefore, developing quantum computers is currently one of the biggest challenges at the cutting edge of the world's science and technology.

In 2020, a team from the University of Science and Technology of China successfully built a 76-photon “nine-chapter” optical quantum computing prototype. For the first time in the world, it achieved the “quantum computational superiority” of optical systems and overcame the loophole in Google experiments where quantum superiority depended on sample size. In 2021, the Chinese University of Science and Technology team further successfully developed the 113-photon phased programmable “Jiuchong 2” quantum computing prototype and the 56-bit “Zuchong 2” quantum computing prototype, making China the only country that achieved “quantum computing superiority” in both optical and superconducting technology routes.

Quantum computing has become a new direction

Quantum computers are a cutting-edge development in computer science and technology.Entering the 21st century, the second wave of the quantum technology revolution has arrived, spawning a number of emerging technologies such as quantum computing, quantum communication, and quantum measurement.If quantum information technology is compared to an airplane, then quantum computing technology is the “engine” of this aircraft. It is also because of this,Many countries have invested a great deal of energy to lay out quantum computing research and development.

As early as 1999,USAA scientific and technical report on “quantum information science” has just been published. In 2018, the US government introduced the “National Quantum Initiative Act”, released special quantum strategies such as the “US Quantum Network Strategic Vision” in 2020, and issued a “National Security Memorandum” on promoting quantum computing in 2022.

CanadaThe government announced the formulation of a national quantum strategy in July 2021. The strategy is coordinated by the Secretariat of the Department of Innovation, Science and Economic Development Canada (ISED). It not only provides significant funding to support research in this field, but also establishes a quantum computing development agency to cooperate closely with the Canadian business community.

UKThe government launched the “National Quantum Technology Program” in 2014 and established 4 national quantum technology centers to carry out the work. The centers are committed to cultivating talents, carrying out research and promoting industrial applications to accelerate the commercialization of quantum technology.GermanyThe government developed the “Quantum Computing Roadmap” in 2021 and launched the Munich Quantum Valley Research Cluster Program.

According to the CICC research report, quantum communication currently has initial commercial conditions. China is actively promoting the construction of terrestrial quantum communication networks such as the Beijing-Shanghai Main Line/Wuhe Main Line/Beijing Metropolitan Area Network/Hefei Metropolitan Area Network, etc., and the University of Science and Technology of China has taken the lead in developing the “Mozi” quantum communication satellite and achieved space-terrestrial quantum key distribution spanning 4,600 kilometers. The network information security situation is becoming increasingly serious. With the improvement of the standard system and the development of product integration, China's quantum communication network may accelerate its deployment to meet the rigid needs of government, finance, power and other fields for information security.

The New Thinking Industry Research Center believes that the scale of quantum communication network construction is still small at this stage. In the future, as technology becomes more mature, the scale of its construction will continue to expand.It is estimated that by 2026, China's quantum communication market will reach more than 110 billion yuan.

Concept stocks at a glance:

National shield quantum:Quantum secure communication core products and related technical service providers mainly achieve profits by selling quantum secure communication products (services) to downstream quantum secure communication network system integrators.

ZTE:It provides technology and application products such as quantum security service systems and quantum trusted clouds.

Guangxun Technology:The world's leading supplier of optoelectronic devices and subsystem solutions; established a joint venture with HKUST Guodun to develop core products in the field of quantum communication; and provided basic optical device products in the Beijing-Shanghai quantum communication trunk line.

HKUST National Innovation:Guoyi Quantum, which the company invests in, uses quantum precision measurement as the core technology to provide enterprises, governments, and research institutes around the world with products and services such as core key devices represented by enhanced quantum sensors, scientific instruments and equipment for analysis and testing, and core technical solutions that enable industry applications.

Hengtong Optoelectronics:Focus on high-end technology and product R&D, manufacturing and system integration services in the fields of optical communication networks and smart grids, and vigorously develop next-generation communication, quantum secure communication, big data, smart communities, and intelligent control system industries for new energy vehicles.

Keller Technology:Two new products, including a quantum secure data link communication terminal and a quantum secure data link storage terminal, were released.

Shenzhou Information:It is one of the important service providers for quantum secure communication trunk projects, and has constructed quantum secure communication trunk projects such as Beijing-Shanghai, Wuhe, Shanghai Cooperation, and Han-Guangzhou, as well as quantum metropolitan area network construction projects in many key cities.

Dipu Technology:The company is the country's first security product provider for major national projects such as the quantum communication optical fiber link (Beijing-Shanghai Main Line).