Quantum Multiplexing for Quantum Computer Networks

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In communication networks many different channels must share a limited amount of resources. In order to allow for multiple simultaneous communications, multiple access techniques are routinely employed. With quantum communication, it is possible to share a new kind of resource. All of the system channels can be accommodated into a single channel in a larger Hilbert space. In the scheme, a single line combines the information of all the users, and, at the receiver, the original quantum channels are recovered. The given multiplexer/demultiplexer circuit can perform this n qubits to qudit transformation. Connections with superdense coding and classical multiple access schemes are discussed.
14 pages, 8 figures

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Quantum Physics

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http://salesiana.dossiersoluciones.com/handle/123456789/122450

Consulte el texto completo en el siguiente enlace:

https://arxiv.org/abs/quant-ph/0701145
 http://arxiv.org/abs/quant-ph/0701145

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arXiv