Quantum

Optimal robust single-qubit gates in superconducting quantum processors

Read full article at source ↗

Based on a feed excerpt; full article content has not been acquired. Source evidence retrieved 20/10/2026, 04:13:24 UTC.

Briefings

A new arXiv preprint reports energy-optimal control pulses for single-qubit gates in superconducting processors, achieving fidelities above 99.9% for the X gate and 99.6% for Hadamard-type gates. The study demonstrates robustness against frequency detuning and waveform inhomogeneities, maintaining performance up to 20% drive-amplitude variations and 4 MHz qubit detuning. These results establish a route towards robust single-qubit control in large-scale quantum processors, outperforming conventional Gaussian pulses by an order of magnitude.

Key points

• The study developed energy-optimal control pulses for single-qubit gates in superconducting processors.
• Experimental results achieved fidelities above 99.9% for the X gate and 99.6% for Hadamard-type gates.

Context

Fault-tolerant quantum computing requires high-fidelity quantum gates resilient to control errors and device imperfections. This work provides experimental validation of optimized control strategies for superconducting systems.

Limitations

The evidence is an arXiv preprint with no peer review or experimental validation. Results are based on simulated or theoretical models rather than direct experimental verification. Specific hardware details and calibration conditions are not provided.

Generated by Bittrees-hosted qwen35-2b sha256:aaf42c8b7c3c on 20/10/2026, 04:30:02 UTC. Based on publisher-provided feed evidence; may not cover the full original article. Check the source for details.

View archived briefing on IPFS
bafybeiam6pgaijqqtes4b2x7yshbknthmtf63isn5jny26daopk7odxqa4