Experimental study demonstrates quantum signal processing for magnetic-field sensing in superconducting qubits, suggesting enhanced detection over conventional protocols.
This repository contains the code, data, and analysis supporting the manuscript “Quantum sensors that compute: quantum computational magnetic-field sensing using a superconducting qubit.” The work investigates quantum computational sensing with a superconducting qubit using quantum signal processing (QSP). It includes numerical simulations and experimental workflows for sensing DC magnetic fields, AC signal amplitudes, and AC signal frequencies. QSP sensing protocols are compared with conventional approaches, including Ramsey sensing, dynamical decoupling, and iterative quantum phase estimation.
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Sen et al. (2026) studied this question.
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