Experimental demonstration of fractional orbital angular momentum entanglement of two photons |
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| Authors: | Oemrawsingh S S R Ma X Voigt D Aiello A Eliel E R 't Hooft G W Woerdman J P |
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| Affiliation: | Huygens Laboratory, Leiden University, Post Office Box 9504, 2300 RA Leiden, The Netherlands. |
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| Abstract: | The singular nature of a noninteger spiral phase plate allows easy manipulation of spatial degrees of freedom of photon states. Using two such devices, we have observed very high-dimensional spatial entanglement of twin photons generated by spontaneous parametric down-conversion. |
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