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A Quantum-Based Communication Protocol Utilizing Multiple Substates

Jincheng Zhang

Published Aug 29, 2026• 0 citations
Publisher

Abstract

This paper proposes a novel communication protocol leveraging the properties of multiple quantum substates. The core concept involves encoding information across distinct quantum states, thereby enhancing both the efficiency and security of communication. Traditional quantum key distribution (QKD) systems often rely on a single qubit state, limiting the information capacity. This protocol expands upon this by utilizing multiple substates, creating a richer encoding space. The theoretical framework is presented, outlining the protocol's structure, key generation process, and security considerations. We explore the mathematical underpinnings of the protocol, focusing on state manipulation, measurement outcomes, and the resulting data transmission. The design aims to mitigate eavesdropping attempts and improve the overall data throughput compared to conventional single-state QKD. The key parameters influencing protocol performance, such as the number of substates, are analyzed, and potential improvements are discussed.

DOI
10.5281/zenodo.22158206

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