A new framework for error semi-transparent gates {X, H, T} achieves five-fold lower infidelity from photon loss and extended lifetimes under quantum error correction for bosonic logical qubits.
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A single multimode resonator enables unconditional qubit reset below 1% residual excitation in 220 ns and selective leakage reduction to 6.1% |f> population in 62 ns, with intrinsic Purcell protection preserving relaxation times despite direct coupling.
A programmable 2D toric oscillator network enables efficient routing for bivariate bicycle LDPC codes, reducing long-range couplers to O(sqrt(n)) and achieving 3.06% logical error rate per cycle in simulations for the [[18,4,4]] code.
Lighter fluxonium qubits show lower susceptibility to measurement-induced state transitions than heavier counterparts due to reduced multi-photon resonance density, smaller required coupling, and more harmonic charge operator structure.
Soft decoding with analog measurement data raises repetition-code thresholds by 25% and reduces error rates up to 30x on superconducting qubits, with one byte per shot sufficient for near-optimal performance.
citing papers explorer
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Error semitransparent universal control of a bosonic logical qubit
A new framework for error semi-transparent gates {X, H, T} achieves five-fold lower infidelity from photon loss and extended lifetimes under quantum error correction for bosonic logical qubits.
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Multimode Purcell Filter for Superconducting-Qubit Reset and Readout with Intrinsic Purcell Protection
A single multimode resonator enables unconditional qubit reset below 1% residual excitation in 220 ns and selective leakage reduction to 6.1% |f> population in 62 ns, with intrinsic Purcell protection preserving relaxation times despite direct coupling.
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Efficient Routing of Quantum LDPC Codes on Programmable 2D Toric Architectures
A programmable 2D toric oscillator network enables efficient routing for bivariate bicycle LDPC codes, reducing long-range couplers to O(sqrt(n)) and achieving 3.06% logical error rate per cycle in simulations for the [[18,4,4]] code.
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Measurement-induced state transitions across the fluxonium qubit landscape
Lighter fluxonium qubits show lower susceptibility to measurement-induced state transitions than heavier counterparts due to reduced multi-photon resonance density, smaller required coupling, and more harmonic charge operator structure.
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Soft information decoding with superconducting qubits
Soft decoding with analog measurement data raises repetition-code thresholds by 25% and reduces error rates up to 30x on superconducting qubits, with one byte per shot sufficient for near-optimal performance.
- Non-Local and Non-Markovian Effects of a Microscopic Two-Level Defect in Superconducting Quantum Circuits
- Reducing Postselection Overhead in Magic-State Cultivation by In-Patch Multiplexing