Tuning curve of type-0 spontaneous parametric down-conversion

Tuning curve of type-0 spontaneous parametric down-conversion

We study the tuning curve of entangled photons generated by type-0 spontaneous parametric down-conversion in a periodically poled potassium titanyl phosphate crystal. We demonstrate the X-shaped spatiotemporal structure of the spectrum by means of measurements and numerical simulations. Experiments...

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Veröffentlicht in:Journal of the Optical Society of America. B, Optical physics Optical physics, 2013-04, Vol.30 (4), p.953-958
Hauptverfasser: Lerch, Stefan, Bessire, Bänz, Bernhard, Christof, Feurer, Thomas, Stefanov, André
Format: Artikel
Sprache:eng
Schlagworte:
Computer simulation
Crystals
Mathematical models
Phosphates
Photons
Pumps
Spontaneous
Tuning
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Beschreibung
Zusammenfassung:We study the tuning curve of entangled photons generated by type-0 spontaneous parametric down-conversion in a periodically poled potassium titanyl phosphate 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.
ISSN:0740-3224
1520-8540
DOI:10.1364/JOSAB.30.000953