A Proposal for an Optical Implementation of an Universal Quantum Phase Gate

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Large optical nonlinearities occurring in a coherently prepared atomic system are shown to produce phase shifts of order $π$. Such an effect may be observed in ultracold rubidium atoms where it could be feasibly exploited toward the realization of a polarization phase gate.
Foundations of Quantum Information, Camerino, 16th-19th April 2004, Italy

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Quantum Physics

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http://salesiana.dossiersoluciones.com/handle/123456789/92251

Consulte el texto completo en el siguiente enlace:

https://arxiv.org/abs/quant-ph/0407190
 http://arxiv.org/abs/quant-ph/0407190

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arXiv