Continuous-Variable Quantum Key Distribution with Composable Security and Tight Error Correction Bound towards Constrained-Device Implementations

arXiv:2504.06384 · quant-ph · Submitted 2025-04-08 · Read on arXiv

quant-ph

Submitted: 2025-04-08

Updated: 2026-07-16

Code: https://github.com/softquanta/homCVQKD

Terminology

• Internet of Things — 8× in this paper
• Benchmarking — 3× in this paper · explained in 3 episodes
• Post-Selection — 2× in this paper · explained in 2 episodes
• Core — 1× in this paper · explained in 2 episodes
• Quantum Physics — 1× in this paper · explained in 10 episodes
• Robustness — 1× in this paper · explained in 5 episodes

Sources

• Continuous-variable quantum communication
• Reverse reconciliation protocols for quantum cryptography with continuous variables
• High-rate quantum cryptography in untrusted networks
• An Overview of CV-MDI-QKD
• Modular network for high-rate quantum conferencing
• Asymptotic security of continuous-variable quantum key distribution with a discrete modulation
• Experimental composable key distribution using discrete-modulated continuous variable quantum cryptography
• Chip-Based 16 GBaud Continuous-Variable Quantum Key Distribution
• Information Reconciliation for Continuous-Variable Quantum Key Distribution using Non-Binary Low-Density Parity-Check Codes
• Efficient Reconciliation of Continuous Variable Quantum Key Distribution with Multiplicatively Repeated Non-Binary LDPC Codes

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