Bright source of polarization-entangled photons using periodically poled potassium titanyl phosphate (KTP)

We used two perpendicular crystals of periodically-poled potassium titanyl phosphate (KTP) to efficiently generate frequency-nondegenerate, polarization-entangled photons in a single spatial mode. The source is compact, inexpensive, and suitable for long-distance fiber-based quantum communication.

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Bibliographische Detailangaben
Hauptverfasser:	Pelton, M., Marsden, P., Ljunggren, D., Tengner, M., Karlsson, A., Fragemann, A., Canalias, C., Laurell, F.
Format:	Tagungsbericht
Sprache:	eng
Schlagworte:	Fiber lasers Fiber nonlinear optics Frequency Irrigation Laser excitation Optical fiber polarization Optical pumping Photonic crystal fibers Photonic crystals Pump lasers
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Beschreibung
Zusammenfassung:	We used two perpendicular crystals of periodically-poled potassium titanyl phosphate (KTP) to efficiently generate frequency-nondegenerate, polarization-entangled photons in a single spatial mode. The source is compact, inexpensive, and suitable for long-distance fiber-based quantum communication.
DOI:	10.1109/QELS.2003.238462