China's first commercial quantum private communication network, specifically designed for the Party and government agencies in Jinan, has successfully passed expert review. The network was officially accepted and put into operation yesterday (December 12). During testing, all aspects—confidentiality, security, and coding rate—met the original design requirements, marking a major milestone in quantum communication technology.
The network is now fully operational, providing secure and encrypted communication channels for government departments. Wang Guangquan, an expert involved in the review, highlighted that the quantum communication section, along with the traditional network and management system, all performed as expected. This confirms the network's reliability and efficiency in real-world applications.
Quantum communication leverages the fundamental properties of quantum mechanics. As the smallest indivisible unit of energy, a quantum state cannot be perfectly copied. Any attempt to eavesdrop or clone it would result in detectable errors, ensuring absolute security during data transmission. In the Jinan Quantum Communications Private Network, users can generate at least 4,000 encryption keys per second, offering robust protection for sensitive information.
Zhou Fei, Assistant Dean of the Jinan Quantum Science Research Institute, noted that this network is the first truly practical quantum communication system following the earlier experimental network. It serves as a model for future expansion across the province and even the entire country. With its potential in fields like national defense, finance, law, and power systems, quantum communication is seen as a critical technology for securing future information networks.
Many developed countries and international companies are actively investing in quantum communication research, recognizing its strategic importance. As the demand for secure digital communication grows, China’s progress in this field positions it as a global leader in the next generation of secure communication technologies.
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