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A dual-species Rydberg array
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DOI：10.1038/s41567-024-02638-2.png)
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Large-scale Rydberg atom arrays are used for highly coherent analogue quantum simulations and for digital quantum computations. However, advanced quantum protocols, such as quantum error correction, require midcircuit qubit operations, including the replenishment, reset and read-out of a subset of qubits. A compelling strategy for unlocking these capabilities is a dual-species architecture in which a second atomic species is controlled independently and entangled with the first through Rydberg interactions. Here, we realize a dual-species Rydberg array consisting of rubidium and caesium atoms and explore regimes of interactions and dynamics not accessible in single-species architectures. We achieve enhanced interspecies interactions by electrically tuning the Rydberg states close to a F & ouml;rster resonance. In this regime, we demonstrate an interspecies Rydberg blockade and implement a quantum state transfer from one species to another. We then generate a Bell state between Rb and Cs hyperfine qubits through an interspecies controlled-phase gate. Finally, we combine interspecies entanglement with a native midcircuit read-out to achieve quantum non-demolition measurements.
Keyword:
ERASURE CONVERSION
QUANTUM
GATES
BLOCKADE
STATES
ATOMS
期刊
IF:
18.4
论文数:
6.8K
被引数:
5.7W
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引用论文
Coherent dipole-dipole coupling between two single Rydberg atoms at an electrically-tuned Forster resonance.png)
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