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Author

Akshay Gaikwad

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Preprint Oct 2026

Optimal robust single-qubit gates in superconducting quantum processors

Fault-tolerant quantum computing requires high-fidelity quantum gates that are resilient to control errors and device imperfections. Here, we develop energy-optimal control pulses for single-qubit gates that are simultaneously robust against frequency detuning and waveform inhomogeneities while also suppressing leakage...

Tang-You Huang, Anuj Aggarwal, Jing-Jun Zhu et al. · 0 citations
Preprint Sep 2026

Classical Shadows with Selective GHZ Measurements

Classical shadows allow the prediction of many quantum-state properties from measurement data, but their efficiency strongly depends on the underlying measurement ensemble. We introduce selective GHZ measurement (SGM) shadows, which perform Greenberger-Horne-Zeilinger (GHZ)-basis measurements on randomly selected subse...

Nicolas Faross, Marc Wanner, Pingal Pratyush Nath et al. · 0 citations
Preprint Sep 2026

Heuristically optimizing, synthesizing, and prioritizing measurement settings for quantum state tomography

The results show that heuristic GC methods substantially reduce the number of required measurement settings for QST and enable priority-based scheduling that maximizes the information gain per experiment, providing speedups of several orders of magnitude over brute-force methods already for these relatively small quant...

Sumukh S. Moudghalya, A. F. Kockum, Akshay Gaikwad · 0 citations

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