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Author

Jakub Szefer

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Sep 2026

Hardware Fingerprinting FTQC via Quantum Decoder Timing

It is demonstrated that the wall-clock time each decoder takes to process a syndrome measurement and decoding round constitutes a novel, exploitable hardware side channel on physical quantum hardware.

Friedrich Doku, Jakub Szefer, Kaitlin N. Smith · 0 citations
Jul 2026

Quantum Fidelity-per-Cost: A Metric for Evaluation of Quantum Computing Systems

The main empirical observation from this work is that cost-aware ranking can differ from purely fidelity-based evaluation of quantum computers, and that users may select different quantum computing backends when they consider price in their selection, as opposed to selection based on fidelity alone.

S. Shinde, Jakub Szefer · 1 citation

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