Arbitrary parallel entangling gates with independent calibration on a trapped ion quantum computer
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arXiv
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| Autori principali: | , , , , , , |
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| Natura: | Preprint |
| Pubblicazione: |
2026
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| _version_ | 1866913070913159168 |
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| author | Diaz, Matthew Mohammadi-Arzanagh, Masoud Zhu, Yingyue Hafezi, Mohammad Linke, Norbert M. Green, Alaina M. Nam, Arthur Y. |
| author_facet | Diaz, Matthew Mohammadi-Arzanagh, Masoud Zhu, Yingyue Hafezi, Mohammad Linke, Norbert M. Green, Alaina M. Nam, Arthur Y. |
| contents | Parallel processing of information plays a critical role in accelerating computation. This includes quantum computers, where parallel processing of quantum information will play a critical role in practical quantum advantage. Here, we demonstrate a new type of parallel entangling gates in a trapped-ion quantum computer, that simultaneously provides efficient gate-pulse synthesis and calibration, as well as graph-pattern-agnostic implementation. We demonstrate the resulting reduced execution time in three well-known algorithms, exhibiting disjoint gates, a star graph and a ring graph respectively. For disjoint qubit pairs the execution time of our parallel gates is comparable to that of a single-pair entangling gate resulting in an approximately linear speed up. For all graph patterns our parallel gate fidelities are comparable to the fidelity of a single-pair entangling gate. These advantages motivate architectures featuring multiple medium length ion chains in future quantum computing devices. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2604_25993 |
| institution | arXiv |
| publishDate | 2026 |
| record_format | arxiv |
| spellingShingle | Arbitrary parallel entangling gates with independent calibration on a trapped ion quantum computer Diaz, Matthew Mohammadi-Arzanagh, Masoud Zhu, Yingyue Hafezi, Mohammad Linke, Norbert M. Green, Alaina M. Nam, Arthur Y. Quantum Physics Emerging Technologies Parallel processing of information plays a critical role in accelerating computation. This includes quantum computers, where parallel processing of quantum information will play a critical role in practical quantum advantage. Here, we demonstrate a new type of parallel entangling gates in a trapped-ion quantum computer, that simultaneously provides efficient gate-pulse synthesis and calibration, as well as graph-pattern-agnostic implementation. We demonstrate the resulting reduced execution time in three well-known algorithms, exhibiting disjoint gates, a star graph and a ring graph respectively. For disjoint qubit pairs the execution time of our parallel gates is comparable to that of a single-pair entangling gate resulting in an approximately linear speed up. For all graph patterns our parallel gate fidelities are comparable to the fidelity of a single-pair entangling gate. These advantages motivate architectures featuring multiple medium length ion chains in future quantum computing devices. |
| title | Arbitrary parallel entangling gates with independent calibration on a trapped ion quantum computer |
| topic | Quantum Physics Emerging Technologies |
| url | https://arxiv.org/abs/2604.25993 |