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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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.
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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.