Conservation of Orbital Angular Momentum in Stimulated Down-Conversion
arXiv:quant-ph/0108101 · doi:10.1103/PhysRevA.66.041801
Abstract
We report on an experiment demonstrating the conservation of orbital angular momentum in stimulated down-conversion. The orbital angular momentum is not transferred to the individual beams of the spontaneous down-conversion, but it is conserved when twin photons are taken individually. We observe the conservation law for an individual beam of the down-conversion through cavity-free stimulated emission.
Submitted for publication in Phys. Rev. Lett
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