A hybrid CV-DV quantum error correction scheme uses discrete-variable ancillas to correct continuous-variable displacement errors and forms new oscillator-in-oscillator codes without GKP states.
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An enhanced CV-MDI-QKD scheme correlates data and ancilla noise via symplectic transforms within GKP error correction to achieve fault-tolerant suppression of loss and operation errors, with numerical composable security shown for wired and wireless links under Gaussian attacks.
GKP-based repeaters with loss-tolerant protocols and modified parity encoding achieve secure key rates comparable to photonic systems while using orders of magnitude fewer qubits.
Introduces non-Gaussian control parameters (s0, δ0) and an optimization method that reduces photon detections by a factor of three and increases preparation probability by nearly 10^8 for GKP states, with gains shown across cat, cubic phase, and random states.
citing papers explorer
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Discrete-variable assisted error correction of continuous-variable quantum information
A hybrid CV-DV quantum error correction scheme uses discrete-variable ancillas to correct continuous-variable displacement errors and forms new oscillator-in-oscillator codes without GKP states.
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Fault-tolerant measurement-device-independent quantum key distribution with noisy non-Gaussian error correction
An enhanced CV-MDI-QKD scheme correlates data and ancilla noise via symplectic transforms within GKP error correction to achieve fault-tolerant suppression of loss and operation errors, with numerical composable security shown for wired and wireless links under Gaussian attacks.
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Loss-Tolerant Quantum Communication via Bosonic-GKP-Parity-Encoding
GKP-based repeaters with loss-tolerant protocols and modified parity encoding achieve secure key rates comparable to photonic systems while using orders of magnitude fewer qubits.
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Beyond Stellar Rank: Control Parameters for Scalable Optical Non-Gaussian State Generation
Introduces non-Gaussian control parameters (s0, δ0) and an optimization method that reduces photon detections by a factor of three and increases preparation probability by nearly 10^8 for GKP states, with gains shown across cat, cubic phase, and random states.