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We demonstrate robust and efficient routing of single photons using a microtoroidal cavity QED system. Single photons from a coherent input are sorted to one output of the fiber with excess photons redirected to the other.
We report entanglement generation in atomic quantum memories via deterministic mapping of photonic entanglement. The atomic entanglement is retrieved back into photon modes after a programmable storage time, with an overall efficiency of 17%.
We have observed photon blockade, as evidenced by the photon statistics for light transmitted by an optical cavity containing one trapped atom. The measurements also reveal the energy distribution for atomic motion in the trap.
Optically trapped atoms in the strong coupling regime of cavity QED have been used to generate single photons deterministically. Referenced to the total cavity output, the generation efficiency for polarized photons is 16%
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