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Trapped Ion Quantum Computing

Impact of polarization mode dispersion on entangled photon distribution

arXiv
Authors: Vadim Rodimin, Konstantin Kravtsov, Rui Ming Chua, Gianluca De Santis, Aleksei Ponasenko, Yury Kurochkin, Alexander Ling, James A. Grieve

Year

2024

Paper ID

64635

Status

Preprint

Abstract Read

~2 min

Abstract Words

96

Citations

N/A

Abstract

Polarization mode dispersion (PMD) in optical fibers poses a major challenge for maintaining the fidelity of quantum states for quantum communications. In this work, a comprehensive model linking the probability of quantum measurement errors (infidelity) to PMD is developed and validated by experimental measurements of differential group delay and quantum bit error rate (QBER). Our research proposes effective methods to mitigate PMD effects for broadband entangled photons and evaluates the impact of higher-order PMD effects. The model provides an experimentally verified framework for the optimization of commercial quantum key distribution systems in deployed fiber optic lines.

Why This Paper Matters

  • This paper contributes to the Trapped-Ion Quantum Computing research area in the Quantum Articles archive.
  • It adds a 2024 reference point for readers tracking recent quantum research.
  • Polarization mode dispersion (PMD) in optical fibers poses a major challenge for maintaining the fidelity of quantum states for quantum communications.

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References & Citation Signals

[1] DOI https://doi.org/arXiv:2408.01754 [2] arXiv https://arxiv.org/abs/2408.01754 [3] Publisher https://arxiv.org/abs/2408.01754

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