A 12-photon experiment demonstrates a 2x2 parallel all-photonic quantum repeater with a 1.89x entanglement-rate enhancement over standard parallel entanglement swapping, and verifies the output is genuinely entangled.
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Experimental quantum repeater without quantum memory
A 12-photon experiment demonstrates a 2x2 parallel all-photonic quantum repeater with a 1.89x entanglement-rate enhancement over standard parallel entanglement swapping, and verifies the output is genuinely entangled.