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 the spatial field correlation function of the pump beam.
Innovative method to investigate how the spatial correlation of the pump beam affects the purity of polarization entangled states / S. Cialdi, D. Brivio, A. Tabacchini, K. A. Mohammed, M. G. A. Paris. - In: OPTICS LETTERS. - ISSN 0146-9592. - 37:19(2012 Oct 01), pp. 3951-3953.
Innovative method to investigate how the spatial correlation of the pump beam affects the purity of polarization entangled states
S. CialdiPrimo
;M. G. A. ParisUltimo
2012
Abstract
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 the spatial field correlation function of the pump beam.
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