Transverse coherence of photon pairs generated in spontaneous parametric down-conversion

Details Transverse coherence of photon pairs generated in spontaneous parametric down-conversion Transverse coherence of photon pairs generated in spontaneous parametric down-conversion

2010-03-05

arxiv.org/abs/1003.1249v1

Phys. Rev. A 81, (2010) 043827

Physics

Quantum Physics

11 pages, 12 figures

Scientific paper

Coherence properties of the down-converted beams generated in spontaneous parametric down-conversion are investigated in detail using an iCCD camera. Experimental results are compared with those from a theoretical model developed for pulsed pumping with a Gaussian transverse profile. The results allow to tailor the shape of correlation area of the signal and idler photons using pump-field and crystal parameters. As an example, splitting of a correlation area caused by a two-peak pump-field spectrum is experimentally studied.

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