Transport of Orbital-Angular-Momentum Entanglement through a Turbulent Atmosphere

Details Transport of Orbital-Angular-Momentum Entanglement through a Turbulent Atmosphere Transport of Orbital-Angular-Momentum Entanglement through a Turbulent Atmosphere

2009-09-21

arxiv.org/abs/0909.3750v1

Physics

Quantum Physics

4 pages, 5 figures

Scientific paper

We demonstrate experimentally how orbital-angular-momentum entanglement of two photons evolves under influence of atmospheric turbulence. We find that the quantum channel capacity is surprisingly robust: Its typical horizontal decay distance is of the order of 2 kilometers, demonstrating the potential of photonic orbital angular momentum for free-space quantum communication in a metropolitan environment.

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