Tuning curve of type-0 spontaneous parametric down-conversion
arXiv:1404.1192 · doi:10.1364/JOSAB.30.000953
Abstract
We study the tuning curve of entangled photons generated by type-0 spontaneous parametric down-conversion in a periodically poled KTP crystal. We demonstrate the X-shaped spatiotemporal structure of the spectrum by means of measurements and numerical simulations. Experiments for different pump waists, crystal temperatures, and crystal lengths are in good agreement with numerical simulations.
arXiv comment7 pages, 6 figures
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