China's first commercial quantum private communication network dedicated to the quantum communication network of the Party and government agencies in Jinan. Yesterday (December 12) passed the expert review in Jinan. Testing of confidentiality, security, and coding rate all met the design goals and completed the entire network. Acceptance and formally put into use.
Wang Guangquan, a review expert of the Quantum Communications Special Network of Jinan Party and government institutions: We test the performance of a quantum network, which is the quantum communication part. In the traditional network part and management system part, from the test results, the three parts meet the original design requirements.
Quantum is the most basic and indivisible unit of energy. Unknown quantum states cannot be accurately cloned. As long as someone tries to copy it, it will generate a bit error and it will be discovered. These characteristics make the quantum state communication absolutely safe in the transmission process. Communications between all users of the Quantum Communications Private Network in Jinan Party and government agencies achieved at least 4,000 keys per second for data protection.
Zhou Fei, Assistant Dean of the Jinan Quantum Science Research Institute, said that the Jinan City Party and Government Authority Quantum Communication Special Network is the first truly practical Quantum Communication Network following the Jinan Quantum Communication Experiment Network. Demonstration, promotion to the whole province and even the whole country.
Because quantum secret communication has great application value in the fields of national defense, government affairs, finance, politics and law, power, etc., it is considered by many experts as "a key technology for ensuring the confidentiality and privacy of future information society communications", western developed countries, defense agencies, and Many international companies are racing to develop this technology.
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