On August 16, 2016, the world's first quantum experiment satellite, Micius, was successfully launched, making China the first country to achieve quantum communication between a satellite and the Earth. It could be said that 2016 was China's first year of industrialization in quantum communication. The country has drawn up initial plans for an industrial chain, from the production of core components, equipment manufacturing, transport network construction, to network operations and applications. Therefore, quantum communication is highly applicable in areas of security, such as national security and protecting financial information.Ģ016 was a milestone in the industrial development of China's quantum information. Since the hijacker cannot obtain all the information, absolute security can be ensured. If information is hijacked while it is being transmitted, both sender and receiver will immediately be aware of it. Quantum communication has the benefits of high efficiency and absolute security. Quantum communication is a new mode of sending information that utilizes the quantum entanglement process. No matter how large distance between the two, if the state of A changes, the state of B will alter correspondingly. Scientists have found that in the microworld an "entanglement" can be created via a quantum channel whereby the quantum state of an atom can be shared between two locations. China's QIT is a leader in the field.Ģ016: The First Year of Industrialization In urban areas, a quantum communication network using fibre-optic links has actually been put into practical application. Chinese scientists have gradually become world leaders in Quantum Information research, particularly in metropolitan applications of QIT and the use of quantum distribution technology for communicating sensitive information - these methods have been transplanted from the laboratory to industry application. They also created the world's first large-scale quantum communication network. Chinese physicists were one of the first to achieve quantum teleportation, entangled state exchange and optical quantum key distribution with a secure communication distance of over 100 kilometers. A number of developed countries and regions including the U.S., Japan and the European Union have successfully formulated development strategies for the new technology.Īlthough China only entered the arena of Quantum Information quite recently, it has already competing at an advanced level in many fields of application. In recent years, quantum information has become one of the commanding points in technology and industry. The frontier science of Quantum Information Technology (QIT) consists of quantum communication, quantum computing and quantum precision measurement.
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