A simulation study shows that cross-resonance CNOT gates between fluxoniums and a central transmon support high-fidelity parity checks and logical gates in a scalable dual-species architecture.
We will do so in the active two-qubit subspace, labeled as|i αjT ⟩, and using shorthand notationn T ij =⟨i|ˆnT |j⟩, nα ij =⟨i|ˆnα|j⟩
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Cross-Resonant Gates in Hybrid Fluxonium-Transmon Systems
A simulation study shows that cross-resonance CNOT gates between fluxoniums and a central transmon support high-fidelity parity checks and logical gates in a scalable dual-species architecture.