1204.5775 (Simone Cialdi et al.)

A novel method to investigate how the spatial correlation of the pump
beam affects the purity of polarization entangled states    [PDF]

Simone Cialdi, Davide Brivio, Andrea Tabacchini, Ali Mohammed Kadhimi, Matteo G. A. Paris

We present an innovative method to address the relation between the purity of type-I polarization entangled states and the spatial properties of the pump laser beam. Our all-optical apparatus is based on a spatial light modulator, and it offers unprecedented control on the spatial phase function of the entangled states. In this way, we demonstrate quantitatively the relation between the purity of the generated state and spatial correlation function of the pump beam.

View original: http://arxiv.org/abs/1204.5775