A tunable preprocessing stage in GKP Steane error correction minimizes the product of output position and momentum noise variances when 2a equals b in the small-noise regime and outperforms the ME-Steane scheme.
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Trapped-ion experiment generates all four Bell states of GKP qubits via beamsplitter interference of qunaught states and applies error correction to extend their lifetime.
Symmetrically coupled dispersive readout achieves 384 ns single-shot erasure detection on dual-rail qubits with 6.0(2)×10^{-4} residual error per check and enables parallel erasure checks during single-qubit gates with median 7.2×10^{-5} error per gate.
citing papers explorer
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Optimized Gottesman-Kitaev-Preskill Error Correction via Tunable Preprocessing
A tunable preprocessing stage in GKP Steane error correction minimizes the product of output position and momentum noise variances when 2a equals b in the small-noise regime and outperforms the ME-Steane scheme.
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Error Correction of Beamsplitter-Generated Entangled GKP States
Trapped-ion experiment generates all four Bell states of GKP qubits via beamsplitter interference of qunaught states and applies error correction to extend their lifetime.
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Fast, High-Fidelity Erasure Detection of Dual-Rail Qubits with Symmetrically Coupled Readout
Symmetrically coupled dispersive readout achieves 384 ns single-shot erasure detection on dual-rail qubits with 6.0(2)×10^{-4} residual error per check and enables parallel erasure checks during single-qubit gates with median 7.2×10^{-5} error per gate.