Shaping the waveform of entangled photons
arXiv:0709.1810 · doi:10.1103/PhysRevLett.99.243601
Abstract
We demonstrate experimentally the tunable control of the joint spectrum, i.e. waveform and degree of frequency correlations, of paired photons generated in spontaneous parametric downconversion. This control is mediated by the spatial shape of the pump beam in a type-I noncollinear configuration. We discuss the applicability of this technique to other sources of frequency entangled photons, such as electromagnetically induced Raman transitions.
5 Pages, 4 Figures
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