量子通讯网下月底将投入商用-凯发k8官网

quantum communication network is expected to be put into commercial use in a chinese city by the end of next month.

 

量子通讯网将于下月底在山东济南投入商用。

 

jinan institute of quantum technology announced sunday that the network, connecting communist party and government bodies in jinan, capital of east china's shandong province, had lately been tested and the designers were satisfied with its performance, especially in secured communications.

 

liu hong, a professor with shandong university who was involved in the test, said the network has proved to be in a "very ideal" condition.

 

in the test, which involved over 50 programs, the network transmitted data with quantum encryption keys among nearly 200 terminals in the city. between users, more than 4,000 keys were generated in just a second, said zhou fei, an assistant director of the institute.

 

quantum communication uses quantum ¹ of photons to make sure that nobody taps into the line, for doing so would ^{2 3} the signal.

 

in quantum communication, any interference is ⁴. two parties can exchange secret messages by sharing an encryption key encoded in the properties of ⁵ particles.

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