Quantum Phase Gate Operation Based on Nonlinear Optics: Full Quantum Analysis

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dc.creatorOttaviani, C.
dc.creatorRebic, S.
dc.creatorVitali, D.
dc.creatorTombesi, P.
dc.date2005-07-14
dc.date2006-01-09
dc.date.accessioned2026-07-07T06:43:36Z
dc.date.available2026-07-07T06:43:36Z
dc.descriptionWe present a full quantum treatment of a five-level atomic system coupled to two quantum and two classical light fields. The two quantum fields undergo a cross-phase modulation induced by electro-magnetically induced transparency. The performance of this configuration as a two-qubit quantum phase gate for travelling single-photons is examined. A trade-off between the size of the conditional phase shift and the fidelity of the gate is found. Nonetheless, a satisfactory gate performance is still found to be possible in the transient regime, corresponding to a fast gate operation.
dc.description4 pages, 3 figures
dc.identifierhttps://arxiv.org/abs/quant-ph/0507137
dc.identifierhttp://arxiv.org/abs/quant-ph/0507137
dc.identifierPhys. Rev. A 73, 010301(R) (2006)
dc.identifierdoi:10.1103/PhysRevA.73.010301
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/102475
dc.subjectQuantum Physics
dc.titleQuantum Phase Gate Operation Based on Nonlinear Optics: Full Quantum Analysis
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