Quantum internet using code division multiple access

被引：0
|
作者：
Jing Zhang
Yu-xi Liu
Şahin Kaya Özdemir
Re-Bing Wu
Feifei Gao
Xiang-Bin Wang
Lan Yang
Franco Nori
机构：
[1] CEMS,Department of Automation
[2] RIKEN,Department of Physics
[3] Tsinghua University,Physics Department
[4] Center for Quantum Information Science and Technology,undefined
[5] TNList,undefined
[6] Institute of Microelectronics,undefined
[7] Tsinghua University,undefined
[8] Electrical and Systems Engineering,undefined
[9] Washington University,undefined
[10] Tsinghua University,undefined
[11] The University of Michigan,undefined
来源：
Scientific Reports | / 3卷
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摘要：
A crucial open problem inS large-scale quantum networks is how to efficiently transmit quantum data among many pairs of users via a common data-transmission medium. We propose a solution by developing a quantum code division multiple access (q-CDMA) approach in which quantum information is chaotically encoded to spread its spectral content and then decoded via chaos synchronization to separate different sender-receiver pairs. In comparison to other existing approaches, such as frequency division multiple access (FDMA), the proposed q-CDMA can greatly increase the information rates per channel used, especially for very noisy quantum channels.
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