266Citations
Citations of this article
143Readers
Mendeley users who have this article in their library.
Get full text

Abstract

Entanglement of the properties of two separated particles constitutes<br />a fundamental signature of quantum mechanics and is a key resource<br />for quantum information science. We demonstrate strong Einstein,<br />Podolsky, and Rosen correlations between the angular position and<br />orbital angular momentum of two photons created by the nonlinear<br />optical process of spontaneous parametric down-conversion. The discrete<br />nature of orbital angular momentum and the continuous but periodic<br />nature of angular position give rise to a special sort of entanglement<br />between these two variables. The resulting correlations are found<br />to be an order of magnitude stronger than those allowed by the uncertainty<br />principle for independent (nonentangled) particles. Our results suggest<br />that angular position and orbital angular momentum may find important<br />applications in quantum information science.

Cite

CITATION STYLE

APA

Leach, J., Jack, B., Romero, J., Jha, A. K., Yao, A. M., Franke-Arnold, S., … Padgett, M. J. (2010). Quantum correlations in optical angle-orbital angular momentum variables. Science, 329(5992), 662–665. https://doi.org/10.1126/science.1190523

Register to see more suggestions

Mendeley helps you to discover research relevant for your work.

Already have an account?

Save time finding and organizing research with Mendeley

Sign up for free