Quantum internet using code division multiple access
Quantum Physics
2013-09-13 v2
Abstract
A crucial open problem in 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.
Cite
@article{arxiv.1204.1742,
title = {Quantum internet using code division multiple access},
author = {Jing Zhang and Yu-xi Liu and Sahin Kaya Ozdemir and Re-Bing Wu and Feifei Gao and Xiang-Bin Wang and Lan Yang and Franco Nori},
journal= {arXiv preprint arXiv:1204.1742},
year = {2013}
}
Comments
29 pages, 6 figures