A 12-CNOT Double Qubit Excitation Gate
Quick summary
arXiv:2608.11733v3 Announce Type: replace-cross Abstract: Effective implementation of high-level quantum gates is essential for practical quantum computing. In this work, we presented, to the best of our knowledge, the first reported 12-CNOT decomposition of the double qubit excitation operator. We compared our new circuit with the previous SOTA 13-CNOT circuits in 4 different metrics. Our new circuit has the lowest CNOT count (12), lowest CNOT depth (8, roughly 27% reduction), and lowest total circuit depth (15, 25% reduction) among all the previous SOTA circuits. With output qubit relabeling
Key takeaways
- arXiv:2608.11733v3 Announce Type: replace-cross Abstract: Effective implementation of high-level quantum gates is essential for practical quantum computing.
- In this work, we presented, to the best of our knowledge, the first reported 12-CNOT decomposition of the double qubit excitation operator.
- We compared our new circuit with the previous SOTA 13-CNOT circuits in 4 different metrics.
Why it matters
The importance of “A 12-CNOT Double Qubit Excitation Gate” will be measured by what changes in practice. User behavior, access conditions, verifiable performance and responsible-use outcomes are the signals worth following.

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