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arxiv: quant-ph/0207009 · v2 · submitted 2002-07-01 · 🪐 quant-ph

Extended phase-matching conditions for improved entanglement generation

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keywords conditionsphase-matchingextendedstatesaugmentingbiphotoncharacterizationclass
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Extended phase-matching conditions for spontaneous parametric down-conversion are examined. By augmenting the conventional phase-matching conditions, they permit the creation of a class of frequency-entangled states that generalizes the usual twin-beam biphoton state. An experimental characterization of these states is possible through interferometric coincidence counting.

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