Diamond Circuits for Surface Codes
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arXiv
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| Format: | Preprint |
| Published: |
2025
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| _version_ | 1866929715581812736 |
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| author | Debroy, Dripto M. |
| author_facet | Debroy, Dripto M. |
| contents | We present and benchmark an interesting circuit family which we call diamond circuits, that use a mid-cycle construction built around the subsystem surface code to implement a surface code on a Lieb or "Heavy-Square" lattice. This makes them more qubit- and measurement-efficient than previous constructions. These circuits are described via the LUCI framework, and are effectively circuits with half the measure qubits dropped out of the grid. These circuits preserve the spacelike distance of the code, but suffer a penalty in timelike distance, and could be useful in regimes where quantum computers are limited by frequency collisions or number of control lines. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2502_10355 |
| institution | arXiv |
| publishDate | 2025 |
| record_format | arxiv |
| spellingShingle | Diamond Circuits for Surface Codes Debroy, Dripto M. Quantum Physics We present and benchmark an interesting circuit family which we call diamond circuits, that use a mid-cycle construction built around the subsystem surface code to implement a surface code on a Lieb or "Heavy-Square" lattice. This makes them more qubit- and measurement-efficient than previous constructions. These circuits are described via the LUCI framework, and are effectively circuits with half the measure qubits dropped out of the grid. These circuits preserve the spacelike distance of the code, but suffer a penalty in timelike distance, and could be useful in regimes where quantum computers are limited by frequency collisions or number of control lines. |
| title | Diamond Circuits for Surface Codes |
| topic | Quantum Physics |
| url | https://arxiv.org/abs/2502.10355 |