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In the second half of 2016, the large-scale optical fiber quantum communication backbone network of the Beijing-Shanghai trunk line will be completed
.
Recently, Academician Pan Jianwei, member of the National Committee of the Chinese People's Political Consultative Conference and executive vice president of the University of Science and Technology of China, said
in an interview.
It is reported that this quantum trunk line connects Beijing and Shanghai, runs through Jinan, Shandong, Hefei, Anhui and other places, and is a thousand-kilometer-level high-credibility and scalable wide-area optical fiber quantum communication network, which is the world's first case
.
After its completion, it will be widely used for the secure transmission
of information in finance, government affairs and other fields.
Quantum communication refers to the use of the quantum state of photons to load and transmit information
.
In principle, quantum communication is an unconditionally secure way of communication
.
Since the single photon as an information carrier is indivisible and the quantum state is unclonable, key distribution can be achieved that is resistant to any eavesdropping, and thus the content encrypted with it can be guaranteed to be undecipherable
.
The metro quantum communication network can be realized through optical fiber, the intercity quantum network can be realized through repeater connection, and the long-distance quantum communication can be realized through satellite transit, and finally constitute a wide-area quantum communication network
.
Pan Jianwei said that in the future, a global optical fiber quantum communication infrastructure integrating space and earth can be formed, a complete quantum communication industry chain and a next-generation national sovereign information security ecosystem can be formed, and a future Internet based on quantum communication security guarantees, that is, the "quantum Internet"
.
In the second half of 2016, the large-scale optical fiber quantum communication backbone network of the Beijing-Shanghai trunk line will be completed
.
Recently, Academician Pan Jianwei, member of the National Committee of the Chinese People's Political Consultative Conference and executive vice president of the University of Science and Technology of China, said
in an interview.
It is reported that this quantum trunk line connects Beijing and Shanghai, runs through Jinan, Shandong, Hefei, Anhui and other places, and is a thousand-kilometer-level high-credibility and scalable wide-area optical fiber quantum communication network, which is the world's first case
.
After its completion, it will be widely used for the secure transmission
of information in finance, government affairs and other fields.
Quantum communication refers to the use of the quantum state of photons to load and transmit information
.
In principle, quantum communication is an unconditionally secure way of communication
.
Since the single photon as an information carrier is indivisible and the quantum state is unclonable, key distribution can be achieved that is resistant to any eavesdropping, and thus the content encrypted with it can be guaranteed to be undecipherable
.
The metro quantum communication network can be realized through optical fiber, the intercity quantum network can be realized through repeater connection, and the long-distance quantum communication can be realized through satellite transit, and finally constitute a wide-area quantum communication network
.
Pan Jianwei said that in the future, a global optical fiber quantum communication infrastructure integrating space and earth can be formed, a complete quantum communication industry chain and a next-generation national sovereign information security ecosystem can be formed, and a future Internet based on quantum communication security guarantees, that is, the "quantum Internet"
.
