Fast Measurements of Entangled Photons
作者： S. X. Wang , P. Moraw , D. R. Reilly , J. B. Altepeter , G. S. Kanter
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摘要: We report on a system for the generation and measurement of polarization entangled photons. High speed quantum state tomographies with raw fidelity >; 91 % respect to an ideal are recorded in <; 2 seconds, longer-term accidental-count subtracted fidelities exceeding 99%. Two-photon interference measurements using automated alignment procedure signal distributed over 20 km fiber. These high methods useful rate monitoring states.
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