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quant-ph2025
How the Kerr-Cat Qubit Dies -- And How to Rescue It
Othmane Benhayoune-Khadraoui, Cristóbal Lledó, Alexandre Blais
Kerr-cat qubits have been experimentally shown to exhibit a large noise bias, with one decay channel suppressed by several orders of magnitude. In superconducting implementations,…
quant-ph2025★ 4 cited
Balanced cross-Kerr coupling for superconducting qubit readout
Alex A. Chapple, Othmane Benhayoune-Khadraoui, Simon Richer +1
Dispersive readout, the standard method for measuring superconducting qubits, is limited by multiphoton qubit-resonator processes arising even at moderate drive powers. These proce…