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Efficient Entanglement Swapping in Quantum Networks for Multi-User Scenarios.
Binjie He1, Seng W Loke2, Luke Lu3
1College of Computer and Data Science, Fuzhou University, Fuzhou 350108, China.
Entropy (Basel, Switzerland)
|June 26, 2025
Summary
Entanglement swapping strategies are enhanced for quantum networks. Parallel Segment Entanglement Swapping (PSES) and Multi-user PSES (M-PSES) improve long-distance entanglement generation rates and mitigate resource contention in multi-user scenarios.
Area of Science:
- Quantum communication
- Quantum networks
- Quantum information science
Background:
- Entanglement swapping is essential for establishing long-distance quantum entanglement.
- Existing strategies face challenges in multi-user concurrent quantum communication scenarios.
- Resource contention negatively impacts entanglement swapping efficiency.
Purpose of the Study:
- To analyze the efficiency of entanglement swapping in multi-user concurrent quantum communication.
- To propose novel strategies for enhancing entanglement swapping in quantum networks.
- To address challenges posed by resource contention.
Main Methods:
- Analysis of existing entanglement swapping strategies in multi-user settings.
- Proposal of Parallel Segment Entanglement Swapping (PSES) using a tree-like model.
- Development of Multi-user PSES (M-PSES) incorporating trigger signals and resource locking.
Main Results:
- PSES demonstrates superior performance over existing strategies in point-to-point quantum communication.
- M-PSES effectively mitigates resource contention in multi-user concurrent communication.
- Both PSES and M-PSES significantly enhance the generation rate of long-distance entanglement.
Conclusions:
- PSES offers an efficient approach for entanglement swapping in quantum networks.
- M-PSES provides a robust solution for multi-user concurrent quantum communication challenges.
- These strategies are crucial for advancing quantum network applications like distributed quantum computing.
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