Architecture for fast implementation of qLDPC codes with optimized Rydberg gates
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arXiv
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| Autori principali: | , , , , |
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| Natura: | Preprint |
| Pubblicazione: |
2024
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| _version_ | 1866911267002777600 |
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| author | Poole, C. Graham, T. M. Perlin, M. A. Otten, M. Saffman, M. |
| author_facet | Poole, C. Graham, T. M. Perlin, M. A. Otten, M. Saffman, M. |
| contents | We propose an implementation of bivariate bicycle codes (Nature {\bf 627}, 778 (2024)) based on long-range Rydberg gates between stationary neutral atom qubits. An optimized layout of data and ancilla qubits reduces the maximum Euclidean communication distance needed for non-local parity check operators. An optimized Rydberg gate pulse design enables $\sf CZ$ entangling operations with fidelity ${\mathcal F}>0.999$ at a distance greater than $12~μ\rm m$. The combination of optimized layout and gate design leads to a quantum error correction cycle time of $\sim 1.28~\rm ms$ for a $[[144,12,12]]$ code, nearly a factor of two improvement over previous designs. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2404_18809 |
| institution | arXiv |
| publishDate | 2024 |
| record_format | arxiv |
| spellingShingle | Architecture for fast implementation of qLDPC codes with optimized Rydberg gates Poole, C. Graham, T. M. Perlin, M. A. Otten, M. Saffman, M. Quantum Physics Atomic Physics We propose an implementation of bivariate bicycle codes (Nature {\bf 627}, 778 (2024)) based on long-range Rydberg gates between stationary neutral atom qubits. An optimized layout of data and ancilla qubits reduces the maximum Euclidean communication distance needed for non-local parity check operators. An optimized Rydberg gate pulse design enables $\sf CZ$ entangling operations with fidelity ${\mathcal F}>0.999$ at a distance greater than $12~μ\rm m$. The combination of optimized layout and gate design leads to a quantum error correction cycle time of $\sim 1.28~\rm ms$ for a $[[144,12,12]]$ code, nearly a factor of two improvement over previous designs. |
| title | Architecture for fast implementation of qLDPC codes with optimized Rydberg gates |
| topic | Quantum Physics Atomic Physics |
| url | https://arxiv.org/abs/2404.18809 |