Simulate QKD and Optimize Parameters with BoTorch

implementationChallengeNovember 26, 2025

Prompt Content

Develop a simulation of the BB84 QKD protocol between two nodes, including photon loss, detector noise, and quantum bit errors. Implement error correction and privacy amplification to derive a secure shared key. Then, use `BoTorch` to optimize a QKD source parameter (e.g., photon pulse intensity or repetition rate) to maximize the secure key rate while maintaining the Quantum Bit Error Rate (QBER) below a specified threshold (e.g., 5%).

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