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arxiv: 0912.1543 · v1 · submitted 2009-12-08 · 🪐 quant-ph

Angular uncertainty of momentum correlations in parametric fluorescence

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keywords angularidlerpumpsignaluncertaintyagreementanglesbeam
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Uncertainty in the determination of emission angles of signal and idler photons is investigated. The role of divergence of the pump beam, width of the pump spectrum, and size of the crystal is elucidated. Experimental data obtained by an iCCD camera are in a good agreement with a numerical model that provides angular and spectral characteristics of the signal and idler fields.

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