Adaptive optics to enhance OAM entanglement transmission in turbulence
I present theoretical results showing that adaptive optics, widely known from astronomy, can restore the distorted photons and by that help exploit the full potential of OAM. For a wide turbulence range, the entanglement measured by concurrence and the final state’s trace can be regained while the quantum bit error rate associated with mode crosstalk can be pushed below the security threshold.
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