Multilevel encoding and repeated quantum nondemolition readouts suppress relaxation-induced measurement errors in superconducting qubits, achieving logical assignment infidelities down to 5.8x10^-5.
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High-fidelity measurement of qubits encoded in multilevel superconducting circuits
Multilevel encoding and repeated quantum nondemolition readouts suppress relaxation-induced measurement errors in superconducting qubits, achieving logical assignment infidelities down to 5.8x10^-5.