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1、From Einsteins Gedankenexperiment to research on quantum networks White paper By Peter Vetter,President of Bell Labs Core Research,Nokia Entanglement and teleportation explained how quantum physics provides new opportunities for realizing quantum networks and enhancing network security,and the resea

2、rch challenges Nokia Bell Labs is overcoming to realize this goal.Acknowledgement:A special thank you to my colleagues Rene Essiambre,Ayed Sayem,Tzu-Yung Huang,Jeremie Renaudier,Amir Ghazisaeidi,and Ludovic Noirie for insightful discussions,input about their research and review of the paper.2White p

3、aperFrom Einsteins Gedankenexperiment to research on quantum networksContentsIntroduction 3From Einsteins thought experiment to Alain Aspects experimental proof 3A new way to communicate information 7Quantum key distribution 8Quantum networks 9Quantum teleportation:transferring a quantum state throu

4、gh a network repeater 10Exploration research on future quantum networks 11References 133White paperFrom Einsteins Gedankenexperiment to research on quantum networksIntroduction The present paper explains how the concept of quantum entanglement can be used to transfer a quantum state across a future

5、quantum network to realize end-to-end quantum security,distributed quantum computing and distributed sensing.Previous articles by Nokia Bell Labs have discussed how quantum physics is reshaping the fundamentals of communication 1 and established more realistic expectations for quantum internet 2.In

6、order to grasp the spooky capabilities of quantum technology,we will start with a short history of experimental quantum mechanics,beginning with the Gedankenexperiment of Albert Einstein in 1935 and concluding with the first experimental realization of quantum entanglement by Alain Aspect in 1982.Th