Generation of polarization entanglement from a PPKTP parametric downconverter
Chris Kuklewicz, Gaétan Messin, Franco N. C. Wong, J.H. Shapiro · 2003
We have generated polarization-entangled photon pairs from a type-II phase-matched periodically poled KTP parametric downconverter with collinear outputs. Bell's inequality was violated with a value of 2.57 /spl plusmn/ 0.03.