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Opt Express. 2011 Mar 28;19(7):6671-83. doi: 10.1364/OE.19.006671.

Transport of orbital-angular-momentum entanglement through a turbulent atmosphere.

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1
Huygens Laboratory, Leiden University, Leiden, The Netherlands. pors@molphys.leidenuniv.nl

Abstract

We demonstrate experimentally how orbital-angular-momentum entanglement of two photons evolves under the influence of atmospheric turbulence. Experimental results are in excellent agreement with our theoretical model, which combines the formalism of two-photon coincidence detection with a Kolmogorov description of atmospheric turbulence. We express the robustness to turbulence in terms of the dimensionality of the measured correlations. This dimensionality is surprisingly robust: scaling up our system to real-life dimensions, a horizontal propagation distance of 2 km seems viable.

PMID:
21451694
[Indexed for MEDLINE]
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