Interspecies Förster resonances of Rb-Cs Rydberg $d$-states for enhanced multi-qubit gate fidelities
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arXiv
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| Hauptverfasser: | , , |
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| Format: | Preprint |
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2024
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| author | Ireland, Paul M. Walker, D. M. Pritchard, J. D. |
| author_facet | Ireland, Paul M. Walker, D. M. Pritchard, J. D. |
| contents | We present an analysis of interspecies interactions between Rydberg $d$-states of rubidium and cesium. We identify the Förster resonance channels offering the strongest interspecies couplings, demonstrating the viability for performing high-fidelity two- and multi-qubit $C_kZ$ gates up to $k=4$, including accounting for blockade errors evaluated via numerical diagonalization of the pair-potentials. Our results show $d$-state orbitals offer enhanced suppression of intraspecies couplings compared to $s$-states, making them well suited for use in large-scale neutral atom quantum processors. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2401_02308 |
| institution | arXiv |
| publishDate | 2024 |
| record_format | arxiv |
| spellingShingle | Interspecies Förster resonances of Rb-Cs Rydberg $d$-states for enhanced multi-qubit gate fidelities Ireland, Paul M. Walker, D. M. Pritchard, J. D. Atomic Physics Quantum Physics We present an analysis of interspecies interactions between Rydberg $d$-states of rubidium and cesium. We identify the Förster resonance channels offering the strongest interspecies couplings, demonstrating the viability for performing high-fidelity two- and multi-qubit $C_kZ$ gates up to $k=4$, including accounting for blockade errors evaluated via numerical diagonalization of the pair-potentials. Our results show $d$-state orbitals offer enhanced suppression of intraspecies couplings compared to $s$-states, making them well suited for use in large-scale neutral atom quantum processors. |
| title | Interspecies Förster resonances of Rb-Cs Rydberg $d$-states for enhanced multi-qubit gate fidelities |
| topic | Atomic Physics Quantum Physics |
| url | https://arxiv.org/abs/2401.02308 |