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High-Purity Telecom-Band Entangled Photon-Pairs via Four-Wave Mixing in Dispersion-Shifted Fiber

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arxiv quant-ph/0602034 v1 pith:C4TJD426 submitted 2006-02-03 quant-ph

High-Purity Telecom-Band Entangled Photon-Pairs via Four-Wave Mixing in Dispersion-Shifted Fiber

K. F. Lee , J. Chen , C. Liang , X. Li , P. L. Voss , P. Kumar This is my paper
classification quant-ph
keywords dispersion-shiftedentangledfiberphoton-pairsbackgroundfour-wavegeneratedhigh-purity
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We have studied the purity of entangled photon-pairs generated in a dispersion-shifted fiber at various temperatures. Two-photon interference with visibility > 98% is observed at 77K, without subtraction of the background Raman photons.

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