Towards Scalable Quantum Key Distribution: A Machine Learning-Based Cascade Protocol Approach

• URL: http://arxiv.org/abs/2409.08038v1
• Date: Thu, 12 Sep 2024 13:40:08 GMT
• Title: Towards Scalable Quantum Key Distribution: A Machine Learning-Based Cascade Protocol Approach
• Authors: Hasan Abbas Al-Mohammed, Saif Al-Kuwari, Hashir Kuniyil, Ahmed Farouk,
• Abstract summary: Quantum Key Distribution (QKD) is a pivotal technology in the quest for secure communication. Traditional key rate determination methods, dependent on complex mathematical models, often fall short in efficiency and scalability. We propose an approach that involves integrating machine learning (ML) techniques with the Cascade error correction protocol.
• Score: 2.363573186878154
• License: http://creativecommons.org/licenses/by/4.0/
• Abstract: Quantum Key Distribution (QKD) is a pivotal technology in the quest for secure communication, harnessing the power of quantum mechanics to ensure robust data protection. However, scaling QKD to meet the demands of high-speed, real-world applications remains a significant challenge. Traditional key rate determination methods, dependent on complex mathematical models, often fall short in efficiency and scalability. In this paper, we propose an approach that involves integrating machine learning (ML) techniques with the Cascade error correction protocol to enhance the scalability and efficiency of QKD systems. Our ML-based approach utilizes an autoencoder framework to predict the Quantum Bit Error Rate (QBER) and final key length with over 99\% accuracy. This method significantly reduces error correction time, maintaining a consistently low computation time even with large input sizes, such as data rates up to 156 Mbps. In contrast, traditional methods exhibit exponentially increasing computation times as input sizes grow, highlighting the superior scalability of our ML-based solution. Through comprehensive simulations, we demonstrate that our method not only accelerates the error correction process but also optimizes resource utilization, making it more cost-effective and practical for real-world deployment. The Cascade protocol's integration further enhances system security by dynamically adjusting error correction based on real-time QBER observations, providing robust protection against potential eavesdropping. Our research establishes a new benchmark for scalable, high-throughput QKD systems, proving that machine learning can significantly advance the field of quantum cryptography. This work continues the evolution towards truly scalable quantum communication.

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