A photon-pair source with controllable delay based on shaped inhomogeneous broadening of rare-earth doped solids
arXiv:1101.6005 · doi:10.1103/PhysRevA.83.053840
Abstract
Spontaneous Raman emission in atomic gases provides an attractive source of photon pairs with a controllable delay. We show how this technique can be implemented in solid state systems by appropriately shaping the inhomogeneous broadening. Our proposal is eminently feasible with current technology and provides a realistic solution to entangle remote rare-earth doped solids in a heralded way.
8 pages, 1 figure
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