Polarization-momentum hyperentangled states: Realization and characterization

被引：110

作者：

Barbieri, M ^{[1
]}

Cinelli, C

Mataloni, P

De Martini, F

机构：

[1] Univ Roma La Sapienza, Dipartimento Fis, I-00185 Rome, Italy

[2] Consorzio Nazl Interuniv Sci Fis Mat, I-00185 Rome, Italy

来源：

PHYSICAL REVIEW A | 2005年 / 72卷 / 05期

关键词：

D O I：

10.1103/PhysREvA.72.052110

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

We present an experimental method to engineer polarization-momentum hyperentangled two-photon states, using linear optics and a single type-I nonlinear crystal. These states have been completely characterized and their nonlocal behavior has been verified by an "all versus nothing" test of local realism, which represents a generalization of the Greenberger-Horne-Zeilinger (GHZ) to the case of two entangled particles and two observers. The manipulation of these states may represent a useful control in quantum state engineering and Bell state measurements and, more in general, in quantum information applications.

引用

页数：8

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