Disentanglement of Source and Target and the Laser Quantum State

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dc.creatorNoh, Changsuk
dc.creatorCarmichael, H. J.
dc.date2007-12-19
dc.date.accessioned2026-07-07T10:04:30Z
dc.date.available2026-07-07T10:04:30Z
dc.descriptionDisentanglement of a laser source from its target qubit is proposed as a criterion establishing the laser quantum state as a coherent state. It is shown that the source-target density operator has a unique factorization in coherent states when the environmental record monitoring laser pump quanta is ignored. The source-target state conditioned upon the complete environmental record is entangled, though, as a state of known total quanta number (source plus target).
dc.description4 pages, 1 figure
dc.identifierhttps://arxiv.org/abs/0712.3271
dc.identifierhttp://arxiv.org/abs/0712.3271
dc.identifierPhys. Rev. Lett. 100, 120405(2008)
dc.identifierdoi:10.1103/PhysRevLett.100.120405
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/169697
dc.subjectQuantum Physics
dc.titleDisentanglement of Source and Target and the Laser Quantum State
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