A differentiable model of a superconducting control line — DAC, filter, IQ mixer, amplifier — wired to a three-level transmon in JAX, with hand-derived adjoints and a gradient checked against finite differences. Finds a bandwidth threshold below which classical pre-distortion makes the gate worse. Tesseract Hackathon 2026, Track 03.
julia superconducting-qubits automatic-differentiations pulse-shaping transmon quantum-optimal-control control-electronics
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Aug 18, 2026 - Python