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Jun-Jie Li

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Preprint Sep 2026

Qubit-Based Benchmarking of InP HEMT LNAs: Readout Fidelity Versus Power Consumption

High-fidelity single-shot readout of superconducting qubits is essential for fault-tolerant quantum computation. Without a quantum-limited amplifier such as a Josephson parametric amplifier, the cryogenic high-electron-mobility-transistor (HEMT) low-noise amplifier (LNA) at the 4 K stage is the dominant noise source in...

Jun-Jie Li · 0 citations

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