Swapping and entangling qubits of single photons and atoms

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dc.creatorChen, T. W.
dc.creatorLaw, C. K.
dc.creatorLeung, P. T.
dc.date2003-11-23
dc.date.accessioned2026-07-07T06:08:24Z
dc.date.available2026-07-07T06:08:24Z
dc.descriptionA scheme is proposed here to achieve swapping and entangling of photonic and atomic qubits with high fidelity. The mechanism is based on the scattering of a single photon from a $Λ$-type three-level atom. The evolution of the coupled system is analyzed by projecting the quantum state onto a `bright' and a `dark' state. Quantum interference of these two states, which is determined by a frequency-dependent phase angle, can be exploited to perform various two-qubit transformations. It is remarkable that the probability of success of such transformations can approach unity in the strong coupling cavity QED regime.
dc.identifierhttps://arxiv.org/abs/quant-ph/0311156
dc.identifierhttp://arxiv.org/abs/quant-ph/0311156
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/91619
dc.subjectQuantum Physics
dc.titleSwapping and entangling qubits of single photons and atoms
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