Measuring the entanglement of coupled spins by multiphoton interference

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dc.creatorLeuenberger, Michael N.
dc.creatorFlatte, Michael E.
dc.creatorAwschalom, D. D.
dc.date2003-07-26
dc.date2003-09-25
dc.date.accessioned2026-07-07T02:52:38Z
dc.date.available2026-07-07T02:52:38Z
dc.descriptionWe propose an experimental method to measure the entanglement of coupled spins, each in a separate quantum dot, by means of multiphoton interference patterns generated through the scattering of two laser beams off the quantum dots. We calculate the N-photon quantum correlations measured by N detectors on an image plane. Using two perpendicular laser beams, either many correlation measurements on a time ensemble or a single correlation measurement on a spatial ensemble of the many-qubit state is sufficient to retrieve all the possible amplitudes of a many-qubit state.
dc.description4 pages, 3 EPS figures, REVTeX
dc.identifierhttps://arxiv.org/abs/cond-mat/0307657
dc.identifierhttp://arxiv.org/abs/cond-mat/0307657
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/21910
dc.subjectMesoscale and Nanoscale Physics
dc.titleMeasuring the entanglement of coupled spins by multiphoton interference
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