Quantum spread spectrum multiple access
arXiv:1401.1756 · doi:10.1109/JSTQE.2014.2360366
Abstract
We describe a quantum multiple access scheme that can take separate single photon channels and combine them in the same path. We propose an add-drop multiplexer that can insert or extract a single photon into an optical fibre carrying the qubits of all the other users. The system follows the principle of code division multiple access, a spread spectrum technique widely used in cellular networks.
9 pages, 8 figures. 3 tables. Revised version (v2) with simulation results. Comments welcome
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