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<p>The vision of a trust-free quantum internet has emerged as a critical frontier in secure communication, aiming to eliminate reliance on centralized authorities or trusted nodes. In this work, we propose a distributed entanglement relay network architecture that integrates photonic quantum channels with adaptive shielding mechanisms to mitigate noise, eavesdropping, and channel instabilities. Unlike conventional quantum key distribution (QKD) systems that depend on authenticated classical channels, our framework introduces authentication-free protocols supported by reconfigurable shields, enabling dynamic adaptation to network conditions without compromising security. By combining the principles of secure quantum relay networks and photonic quantum channels, the proposed architecture enhances scalability, resilience, and interoperability across heterogeneous infrastructures. Simulation results and theoretical analysis demonstrate that distributed entanglement with adaptive shielding significantly improves fidelity and key generation rates under realistic noise models. This study contributes to the ongoing effort to establish a practical, trust-free quantum internet, providing a pathway toward global-scale secure communication infrastructures.&#xa0;Furthermore, a formal security proof is provided to demonstrate that the authentication-free protocol remains secure against general quantum attacks without relying on trusted nodes.</p>

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Trust-free quantum internet with distributed entanglement and reconfigurable shields

  • 期刊论文

  • 发表日期：

    2026年7月10日

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  • Asgar Hosseinnezhad,
  • Hadi Sabri

摘要

The vision of a trust-free quantum internet has emerged as a critical frontier in secure communication, aiming to eliminate reliance on centralized authorities or trusted nodes. In this work, we propose a distributed entanglement relay network architecture that integrates photonic quantum channels with adaptive shielding mechanisms to mitigate noise, eavesdropping, and channel instabilities. Unlike conventional quantum key distribution (QKD) systems that depend on authenticated classical channels, our framework introduces authentication-free protocols supported by reconfigurable shields, enabling dynamic adaptation to network conditions without compromising security. By combining the principles of secure quantum relay networks and photonic quantum channels, the proposed architecture enhances scalability, resilience, and interoperability across heterogeneous infrastructures. Simulation results and theoretical analysis demonstrate that distributed entanglement with adaptive shielding significantly improves fidelity and key generation rates under realistic noise models. This study contributes to the ongoing effort to establish a practical, trust-free quantum internet, providing a pathway toward global-scale secure communication infrastructures. Furthermore, a formal security proof is provided to demonstrate that the authentication-free protocol remains secure against general quantum attacks without relying on trusted nodes.