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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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.
Experimental demonstration of universal qudit control on a cavity oscillator via compiled Jaynes-Cummings gates with a transmon ancilla, reaching 96% mean post-selected process fidelity for qutrit gates.
Sparse phase ansatzes for the SNAP-displacement protocol achieve favorable fidelity versus resource trade-offs for qudit state preparation up to dimension 64 in both ideal and noisy regimes.
citing papers explorer
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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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Universal Jaynes-Cummings Control of an Oscillator
Experimental demonstration of universal qudit control on a cavity oscillator via compiled Jaynes-Cummings gates with a transmon ancilla, reaching 96% mean post-selected process fidelity for qutrit gates.
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Sparse Phase Ansatzes for Resource-Efficient Qudit State Preparation via the SNAP-Displacement Protocol
Sparse phase ansatzes for the SNAP-displacement protocol achieve favorable fidelity versus resource trade-offs for qudit state preparation up to dimension 64 in both ideal and noisy regimes.