Entanglement Swapping Scheduling for Quantum Repeater Chains under Decoherence during Classical Communications

@misc{diaz2026entanglement,
  title = {{Entanglement Swapping Scheduling for Quantum Repeater Chains under Decoherence during Classical Communications}},
  author = {Jorge Benito Díaz and Andrés Agustí and Jabier Faba and Laura Ortiz and Luis Robledo and Vicente Martín},
  howpublished = {arXiv},
  year = {2026},
  month = oct,
  doi = {10.48550/arxiv.2610.07991},
  eprint = {2610.07991},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/2610.07991},
  note = {CC BY 4.0},
}

TY  - UNPB
TI  - Entanglement Swapping Scheduling for Quantum Repeater Chains under Decoherence during Classical Communications
AU  - Jorge Benito Díaz
AU  - Andrés Agustí
AU  - Jabier Faba
AU  - Laura Ortiz
AU  - Luis Robledo
AU  - Vicente Martín
PY  - 2026
DA  - 2026/10/06
PB  - arXiv
DO  - 10.48550/arxiv.2610.07991
UR  - https://arxiv.org/abs/2610.07991
AB  - First-generation quantum repeaters are essential in distributing entanglement over long distances since they could mitigate losses in optical fiber. Repeaters split the total distance into shorter, easier to generate links. Then, entanglement swapping establishes long range entanglement by performing local measurements at the repeaters and heralding their results. In this work, we develop an analytical model that estimates the impact of decoherence during heralding for a given protocol. Furthermore, we identify a competition between two phenomena: as repeater count increases, so does entanglement generation, but the additive impact of memory decoherence on final entanglement rate increases too. Therefore, we find that an optimal number of repeaters exists. These findings could lead the design of future quantum networks, both in the inter-repeater distance and swapping timings.
ER  -