Journal
PHYSICAL REVIEW A
Volume 97, Issue 1, Pages -Publisher
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevA.97.013849
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Funding
- Deutsche Forschungsgemeinschaft [DFG BU 1337/17-1]
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We provide an analytical expression for the entanglement decay of initially maximally entangled orbitalangular-momentum biphoton states, when scattered off an obstruction. We show that the decay is controlled by the diffraction-induced mutual overlap between the diffracted field modes, and quantify its dependence on the size and position of the obstruction.
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