Dynamical control schemes for dual-rail erasure qubits suppress transmon-induced noise, reducing erasure check errors by three orders of magnitude and logical two-qubit gate infidelities by up to three orders of magnitude.
This unitary transforms |±⟩states toe ∓i θ 2 |±⟩, thus the total state becomes e−i θ 2 i(|00⟩ − |11⟩)⊗ |+⟩+e +i θ 2 (|01⟩+|10⟩)⊗ |−⟩.(S46)
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Dynamical error reshaping for dual-rail erasure qubits
Dynamical control schemes for dual-rail erasure qubits suppress transmon-induced noise, reducing erasure check errors by three orders of magnitude and logical two-qubit gate infidelities by up to three orders of magnitude.