Towards Optimized Quantum Key Distribution Protocols Based on Information Theory

Jincheng Zhang

Published Aug 29, 2026• 0 citations

Abstract

This paper investigates the optimization of Quantum Key Distribution (QKD) protocols through the application of information-theoretic principles. The core claim is that leveraging information theory's theoretical foundations can significantly enhance the efficiency and security of QKD protocols. The proposed mechanism centers around the design of novel QKD protocols that integrate quantum error correction codes and classical channel coding, aiming to boost key distribution rates while maintaining robust security. This work explores various modifications and enhancements to existing QKD schemes, focusing on reducing the overhead associated with error correction and distillation processes. The analysis employs concepts from channel capacity, mutual information, and error correction theory to quantify the performance improvements. Ultimately, this research provides a framework for designing more practical and secure QKD systems.

DOI: 10.5281/zenodo.22158107

Related papers

Enhancing the Security of Quantum Key Distribution Protocols Based on Information Theory

Jincheng Zhang

This paper investigates the enhancement of Quantum Key Distribution (QKD) protocols utilizing the principles of information theory. Traditional QKD protocols often rely on simplified models and assumptions, leading to potential security vulnerabilities. We propose a framework for strengthening these protocols by rigorously applying information-theoretic concepts, specifically focusing on quantifying information rates, channel capacities, and the impact of noise. This work introduces a refined model incorporating error correction codes and explores methods for optimizing key rates while maintaining robust security. The core claim is that leveraging information theory's theoretical foundations can significantly improve the security and efficiency of QKD protocols. Specifically, we examine the trade-offs between key rate, key agreement time, and security level, offering a pathway towards more practical and secure QKD implementations. The analysis demonstrates the critical role of precise information modeling in mitigating potential attacks and enhancing the overall performance of QKD systems. ---

Sep 4, 20260 citations

Distributed Quantum Key Distribution Protocols: Resilience Optimization

Jincheng Zhang

This paper investigates the optimization of distributed quantum key distribution (QKD) protocols with a focus on resilience enhancement. The core claim centers around improving both the security and efficiency of key distribution by strategically incorporating redundancy and error correction mechanisms. The proposed approach leverages the unique characteristics of quantum communication protocols, specifically utilizing redundant quantum channels and advanced error-correcting codes to achieve robust key exchange. The method addresses the limitations of existing QKD protocols in the face of channel noise and potential eavesdropping attacks. Mathematical models are presented to illustrate the key concepts and design choices. The optimization strategy is designed to maximize key rates while simultaneously mitigating the impact of channel imperfections, ultimately leading to more secure and reliable quantum key distribution systems. This work provides a theoretical framework for resilient QKD, offering a foundation for future implementations and further research in this critical field.

Sep 6, 20260 citations

Based on Quantum Entanglement Key Distribution Protocol Optimization

Jincheng Zhang

This paper investigates the optimization of quantum key distribution (QKD) protocols based on quantum entanglement. The core claim is that by strategically optimizing the generation and distribution of entangled states, it is possible to enhance the security of QKD protocols and simultaneously improve key distribution rates. This is achieved through the design of a novel method for generating and distributing entangled states, leveraging principles from quantum information theory. We explore parameter optimization techniques that directly address limitations within conventional QKD frameworks. The research focuses on improving key distribution efficiency, particularly in scenarios where inherent quantum limitations constrain performance. The theoretical analysis presented contributes to a deeper understanding of the interplay between entanglement quality, protocol design, and security outcomes in QKD. Ultimately, this work provides a foundation for developing more robust and efficient QKD systems.

Aug 28, 20260 citations

Quantum Key Distribution Protocol Improvement Based on Quantum Decoherence

Jincheng Zhang

This paper investigates improvements to Quantum Key Distribution (QKD) protocols by leveraging the principles of quantum decoherence. The core claim centers on optimizing the decoherence process to enhance the security and key generation rate of QKD systems. This is achieved through a detailed analysis of the underlying physical mechanisms governing decoherence and the subsequent design of a novel decoherence suppression technique aimed at minimizing the decoherence time of quantum states. The proposed approach addresses a critical limitation in existing QKD protocols – the vulnerability to decoherence – while simultaneously boosting key generation efficiency. The theoretical framework presented demonstrates a significant potential for increased security and higher key rates, offering a pathway towards more robust and practical quantum cryptography. Mathematical models are presented to illustrate the key concepts and demonstrate the feasibility of the proposed method. The investigation focuses on the theoretical aspects of the protocol improvement, without experimental validation.

Aug 28, 20260 citations

Quantum Key Distribution Protocol Optimization based on Entangled States

Jincheng Zhang

This paper investigates the optimization of Quantum Key Distribution (QKD) protocols utilizing entangled states. The core claim is that strategic optimization of entangled state generation and utilization can significantly enhance the security and key rate of QKD. The proposed method leverages principles from quantum information theory and entanglement theory to design a protocol that maximizes key distribution speed while minimizing the risk of key leakage. Current QKD protocols predominantly rely on single photons, often neglecting the full potential of entangled states. This work addresses this limitation, aiming to improve the efficiency and security of quantum key distribution. The presented protocol incorporates techniques for enhanced entanglement distribution, error correction, and privacy amplification, all tailored for maximizing key rate within a secure framework. Mathematical analysis and theoretical considerations are detailed throughout, outlining the protocol's operational parameters and security proofs. The ultimate goal is to demonstrate a more robust and efficient approach to QKD based on the fundamental properties of entanglement. ---

Sep 3, 20260 citations

基于信息熵的量子密钥分发协议优化 (Information Entropy-Based Quantum Key Distribution Protocol Optimization - IEBKPO)

Jincheng Zhang

This paper presents a novel approach to optimizing Quantum Key Distribution (QKD) protocols by leveraging the principles of information entropy. The core claim is that information entropy can be effectively utilized to enhance the efficiency of key generation within QKD systems. The proposed method centers on analyzing key performance indicators of existing QKD protocols through the lens of information entropy theory. Subsequently, adjustments to protocol parameters are strategically implemented to maximize information entropy, directly translating into improved key generation rates. The work introduces a framework for quantifying the entropy of various QKD protocols, offering a measurable metric for optimization. We demonstrate, through theoretical analysis, how targeted parameter tuning, guided by entropy maximization, can significantly improve the overall performance of QKD systems. This research contributes to a more efficient and robust design of QKD protocols, ultimately facilitating secure quantum communication.

Sep 7, 20260 citations