A protocol is proposed to prepare magnonic GKP states in a hybrid magnon-qubit system via cavity-mediated conditional displacements, enabling logical gates for fault-tolerant quantum computation.
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2026 6representative citing papers
Nonlocal magic in fermionic Gaussian states is bounded by the entanglement spectrum of the covariance matrix, is extensive in the Haar ensemble, peaks at criticality in the Kitaev chain, and grows diffusively under random circuits.
Adding an ancilla qubit to GKP-stabilizer codes reduces Gaussian displacement noise standard deviation from σ to O(σ²) for universal hybrid CV-DV gates.
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.
Optimal modulation of a frequency-tunable qubit ultrastrongly coupled to a cavity converts vacuum fluctuations via the dynamical Casimir effect into high-fidelity Fock, squeezed, and Schrödinger-cat cavity states.
Two machine learning models reconstruct continuous Wigner functions from sparse phase-space measurements: a provably efficient regression model for sparse states (O(s⁴ log d) samples) and a self-supervised neural network for general states including experimental GKP code data.
citing papers explorer
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Magnonic Gottesman-Kitaev-Preskill states
A protocol is proposed to prepare magnonic GKP states in a hybrid magnon-qubit system via cavity-mediated conditional displacements, enabling logical gates for fault-tolerant quantum computation.
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Nonlocal nonstabilizerness in free fermion models
Nonlocal magic in fermionic Gaussian states is bounded by the entanglement spectrum of the covariance matrix, is extensive in the Haar ensemble, peaks at criticality in the Kitaev chain, and grows diffusively under random circuits.
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Noise Reduction for Universal Hybrid Oscillator-Qubit Quantum Computation
Adding an ancilla qubit to GKP-stabilizer codes reduces Gaussian displacement noise standard deviation from σ to O(σ²) for universal hybrid CV-DV gates.
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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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Engineering Nonclassical States via the Dynamical Casimir Effect
Optimal modulation of a frequency-tunable qubit ultrastrongly coupled to a cavity converts vacuum fluctuations via the dynamical Casimir effect into high-fidelity Fock, squeezed, and Schrödinger-cat cavity states.
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Learning to Reconstruct Wigner Functions in Phase Space
Two machine learning models reconstruct continuous Wigner functions from sparse phase-space measurements: a provably efficient regression model for sparse states (O(s⁴ log d) samples) and a self-supervised neural network for general states including experimental GKP code data.