Two-photon entanglement of orbital angular momentum states
- 26 February 2002
- journal article
- research article
- Published by American Physical Society (APS) in Physical Review A
- Vol. 65 (3) , 033823
- https://doi.org/10.1103/physreva.65.033823
Abstract
We investigate the orbital angular momentum correlation of a photon pair created in a spontaneous parametric down-conversion process. We show how the conservation of the orbital angular momentum in this process results from phase matching in the nonlinear crystal.Keywords
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