{"database":"biostudies-literature","file_versions":[],"scores":null,"additional":{"omics_type":["Unknown"],"volume":["15(1)"],"submitter":["Hou YH"],"pubmed_abstract":["Two-dimensional (2D) ion crystals may represent a promising path to scale up qubit numbers for ion trap quantum information processing. However, to realize universal quantum computing in this system, individually addressed high-fidelity two-qubit entangling gates still remain challenging due to the inevitable micromotion of ions in a 2D crystal as well as the technical difficulty in 2D addressing. Here we demonstrate two-qubit entangling gates between any ion pairs in a 2D crystal of four ions. We use symmetrically placed crossed acousto-optic deflectors (AODs) to drive Raman transitions and achieve an addressing crosstalk error below 0.1%. We design and demonstrate a gate sequence by alternatingly addressing two target ions, making it compatible with any single-ion addressing techniques w"],"journal":["Nature communications"],"pagination":["9710"],"full_dataset_link":["https://www.ebi.ac.uk/biostudies/studies/S-EPMC11550402"],"repository":["biostudies-literature"],"pubmed_title":["Individually addressed entangling gates in a two-dimensional ion crystal."],"pmcid":["PMC11550402"],"pubmed_authors":["Yang HX","Guo SA","Chen YY","Wu YK","Zhang L","Hou YH","Zhou ZC","Mei QX","Ma JY","Hou PY","Yi YJ","Xu YL","Qi BX","Duan LM","Wang Y","Zhang C","Ye J"],"additional_accession":[]},"is_claimable":false,"name":"Individually addressed entangling gates in a two-dimensional ion crystal.","description":"Two-dimensional (2D) ion crystals may represent a promising path to scale up qubit numbers for ion trap quantum information processing. However, to realize universal quantum computing in this system, individually addressed high-fidelity two-qubit entangling gates still remain challenging due to the inevitable micromotion of ions in a 2D crystal as well as the technical difficulty in 2D addressing. Here we demonstrate two-qubit entangling gates between any ion pairs in a 2D crystal of four ions. We use symmetrically placed crossed acousto-optic deflectors (AODs) to drive Raman transitions and achieve an addressing crosstalk error below 0.1%. We design and demonstrate a gate sequence by alternatingly addressing two target ions, making it compatible with any single-ion addressing techniques w","dates":{"release":"2024-01-01T00:00:00Z","publication":"2024 Nov","modification":"2026-07-16T18:53:37.812Z","creation":"2025-04-04T00:32:38.097Z"},"accession":"S-EPMC11550402","cross_references":{"pubmed":["39521764"],"doi":["10.1038/s41467-024-53405-z"]}}