Experimental demonstration of fractional orbital angular momentum entanglement of two photons
arXiv:quant-ph/0506253 · doi:10.1103/PhysRevLett.95.240501
Abstract
The singular nature of a non-integer spiral phase plate allows easy manipulation of spatial degrees of freedom of photon states. Using two such devices, we have observed very high dimensional (D > 3700) spatial entanglement of twin photons generated by spontaneous parametric down-conversion.
submitted to Phys. Rev. Lett
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