Heralded entanglement of two ions in an optical cavity
arXiv:1308.3126 · doi:10.1103/PhysRevLett.111.100505
Abstract
We demonstrate precise control of the coupling of each of two trapped ions to the mode of an optical resonator. When both ions are coupled with near-maximum strength, we generate ion--ion entanglement heralded by the detection of two orthogonally polarized cavity photons. The entanglement fidelity with respect to the Bell state reaches . This result represents an important step toward distributed quantum computing with cavities linking remote atom-based registers.
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