High-efficiency entangled photon pair collection in type-II parametric fluorescence 论文

摘要

We report on a method for optimizing the collection of entangled photon pairs in type-II parametric fluorescence. With this technique, we detected 360 000 polarization-entangled photon pairs per second in the near-ir region in single-mode optical fibers. The entanglement of the photon pairs was verified by measuring polarization correlations in different bases of at least 96%.