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This work targets a practical bottleneck in superconducting quantum computing: pulses that stay high-fidelity despite amplitude and frequency miscalibration, which could cut how often hardware must be recalibrated. The 99.90% interleaved randomized benchmarking figure is a single-device result on one gate, so it doesn't by itself establish scalability. Readers should watch whether the robustness holds across more qubits and longer circuits, and how it compares with other robust control methods.
Chalmers University Demonstrates TRIO Pulses for Control-Error-Robust Single-Qubit Gates in Superconducting Processors
Chalmers University of Technology has developed TRIO pulses, a new quantum control framework for superconducting processors. These pulses enable single-qubit gates to maintain high fidelity even with significant control-amplitude miscalibrations and frequency detuning errors. This breakthrough offers a way to reduce recalibration overheads in large-scale quantum processors and has been demonstrated with an X-gate achieving 99.90% fidelity. The post Chalmers University Demonstrates TRIO Pulses for Control-Error-Robust Single-Qubit Gates in Superconducting Processors appeared first on Quantum Computing Report.
Experimental characterization of the X gate. A research team led by the Wallenberg Centre for Quantum Technology (WACQT) at Chalmers University of Technology, in collaboration with Université Bourgogne Europe and Aalto University, has introduced and experimentally validated a quantum control framework termed Time-Rescaling Robust Inverse-Optimal…
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