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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.

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|June 26, 2025
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Summary
This summary is machine-generated.

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.

Keywords:
entanglement swappingquantum communicationquantum networks

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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.