Merging-Based Quantum Repeater

• DOI: 10.48550/arxiv.2502.04450
• Publication Date: 2025-02-06
• Authors: Maria Flors Mor-Ruiz; Jorge Miguel-Ramiro; Julius Wallnöfer; Tim Coopmans; Wolfgang Dür
• Keywords: Repeater (horology)

We introduce an alternative approach for the design of quantum repeaters based on generating entangled states growing size. The scheme utilizes merging operations, also known as fusion type-I that allow reintegration and reuse entanglement. Unlike conventional swapping-based protocols, our method preserves entanglement after failed thereby reducing waiting times, enabling higher rates, introducing enhanced flexibility in communication requests. Through proof-of-principle analysis, we demonstrate advantages this over standard repeater highlighting its potential practical scenarios.