A Comprehensive Protocol Stack for Quantum Networks with a Global Entanglement Module

• URL: http://arxiv.org/abs/2509.16817v1
• Date: Sat, 20 Sep 2025 21:39:25 GMT
• Title: A Comprehensive Protocol Stack for Quantum Networks with a Global Entanglement Module
• Authors: Xiaojie Fan, C. R. Ramakrishnan, Himanshu Gupta,
• Abstract summary: This paper introduces a Global Entanglement Module (GEM) that maintains a consistent, network-wide view of entanglement resources.<n>By enabling real-time adaptive execution of entanglement distribution plans, GEM bridges the gap between static planning and dynamic operation.<n>We show that a lightweight scoring-based strategy consistently achieves the best performance, improving entanglement generation rates by about 20% over a globally optimal but non-adaptive fixed-tree baseline.
• Score: 1.1648648796144156
• License: http://creativecommons.org/licenses/by/4.0/
• Abstract: The development of large-scale quantum networks requires not only advances in physical-layer technologies but also a comprehensive protocol stack that integrates communication, control, and resource management across all layers. We present the first such protocol stack, which introduces a Global Entanglement Module (GEM) that maintains a consistent, network-wide view of entanglement resources through distributed synchronization strategies. By enabling real-time adaptive execution of entanglement distribution plans, GEM bridges the gap between static planning and dynamic operation. The stack naturally supports pre-distributed entanglement, purification, and multi-partite state generation, making it applicable to a broad range of quantum networking applications. We design and evaluate multiple adaptive heuristics for real-time execution and show that a lightweight scoring-based strategy consistently achieves the best performance, improving entanglement generation rates by about 20% over a globally optimal but non-adaptive fixed-tree baseline and achieving more than a two-fold improvement relative to recent connectionless approaches. Across all scenarios-including predistribution and fidelity analysis-GEM consistently enables lower latency and robust operation. These results establish a practical pathway toward scalable, adaptive quantum internet systems.

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