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15 October 2012 Qudit communication network
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Abstract
Optical coherent states can be interpreted as d-dimensional quantum systems, or qudits of even superposition of pseudo-number states. Cross-Kerr nonlinear interaction can generate the maximal entanglements of pseudo- phase and pseudo-number states from two opticl coherent states. Extended network of these entangled coherent states is a qudit cluster state and can be used as qudit communication network for d-dimensional teleportation or multi-user quantum cryptographic network.
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Jaewan Kim, Juhui Lee, Sewan Ji, Hyunchul Nha, Petr M. Anisimov, and Jonathan P. Dowling "Qudit communication network", Proc. SPIE 8518, Quantum Communications and Quantum Imaging X, 85180B (15 October 2012); https://doi.org/10.1117/12.930452
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