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20 February 2017 Multidimensional tomography of an entangled photon-pair source using stimulated emission
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We perform a multidimensional characterization of a polarization-entangled photon-pair source using stimulated emission tomography (SET). We measure the frequency-resolved polarization density matrix, which is composed of thousands of individual polarization density matrices, each corresponding to a different frequency pair. The measurement exhibits detailed information about correlations that would be difficult to observe using traditional quantum state tomography. This demonstration exhibits the power of SET to characterize a source of quantum states with multi-dimensional correlations and hyper-entanglement. The SET technique can be applied to a variety of photon-pair-based sources for the optimization and engineering of quantum states.
Conference Presentation
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Bin Fang, Offir Cohen, Marco Liscidini, John E. Sipe, and Virginia O. Lorenz "Multidimensional tomography of an entangled photon-pair source using stimulated emission", Proc. SPIE 10118, Advances in Photonics of Quantum Computing, Memory, and Communication X, 101180G (20 February 2017);

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