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Trapped Ion Quantum Computing

Decoherence-assisted quantum key distribution

arXiv
Authors: Daniel R. Sabogal, Daniel F. Urrego, Juan Rafael Álvarez, Andrés F. Herrera, Juan P. Torres, Alejandra Valencia

Year

2024

Paper ID

67105

Status

Preprint

Abstract Read

~2 min

Abstract Words

101

Citations

N/A

Abstract

We present a theoretical and experimental study of a controllable decoherence-assisted quantum key distribution scheme. Our method is based on the possibility of introducing controllable decoherence to polarization qubits using the spatial degree of freedom of light. We show that our method reduces the amount of information that an eavesdropper can obtain in the BB84 protocol under the entangling probe attack. We demonstrate experimentally that Alice and Bob can agree on a scheme to that gives low values of the quantum bit error rate, despite the presence of a large amount of decoherence in the transmission channel of the BB84 protocol.

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.
  • We present a theoretical and experimental study of a controllable decoherence-assisted quantum key distribution scheme.

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References & Citation Signals

[1] DOI https://doi.org/arXiv:2405.20153 [2] arXiv https://arxiv.org/abs/2405.20153 [3] Publisher https://arxiv.org/abs/2405.20153

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