Efficiency of entangled photon pair generation in bulk crystals and waveguides: a comparison
Anthony Leverrier, Anton Zavriyev, Alexei S. Trifonov · Proceedings of SPIE, the International Society for Optical Engineering/Proceedings of SPIE · 2006
The efficiency of spontaneous parametric down conversion is calculated and measured for several nonlinear crystals and waveguides in single spatial mode regime. Efficiency of waveguide sources is found to be far superior compared to the bulk crystal sources.