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quant-ph2022★ 67 cited
Phonon downconversion to suppress correlated errors in superconducting qubits
V. Iaia, J. Ku, A. Ballard +6
Quantum error correction can preserve quantum information in the presence of local errors, but correlated errors are fatal. For superconducting qubits, high-energy particle impacts…
quant-ph2020★ 42 cited
High-Fidelity Measurement of a Superconducting Qubit using an On-Chip Microwave Photon Counter
A. Opremcak, C. H. Liu, C. Wilen +10
We describe an approach to the high-fidelity measurement of a superconducting qubit using an on-chip microwave photon counter. The protocol relies on the transient response of a di…