Tchebotareva, A. (Anna); Sophie Hermans; Hanson, R. (Ronald) (2020): Supporting data for Entanglement between a Diamond Spin Qubit and a Photonic Time-Bin Qubit at Telecom Wavelength. Version 1. 4TU.ResearchData. dataset. https://doi.org/10.4121/uuid:b0b73eda-f654-49d1-a5bc-5896c8016502

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Categories

• Optical Physics
• Quantum Physics

Keywords

Nonlinear optics Quantum entanglement Quantum optics

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CC0

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by A. (Anna) Tchebotareva, Sophie Hermans , R. (Ronald) Hanson

We report on the realization and verification of quantum entanglement between a nitrogen-vacancy electron spin qubit and a telecom-band photonic qubit. First we generate entanglement between the spin qubit and a 637 nm photonic time-bin qubit, followed by photonic quantum frequency conversion that transfers the entanglement to a 1588 nm photon. We characterize the resulting state by correlation measurements in different bases and find a lower bound to the Bell state fidelity of ≥0.77±0.03. This result presents an important step towards extending quantum networks via optical fiber infrastructure.

History

• 2020-04-30 first online, published, posted

Publisher

4TU.Centre for Research Data

Format

media types: application/zip, text/csv, text/plain

References

• https://doi.org/10.1103/PhysRevLett.123.063601

Organizations

CNRS, France;
Kavli Institute of Nanoscience, Delft University of Technology;
Laboratoire Charles Coulomb, Université de Montpellier;
Netherlands Organisation for Applied Scientific Research (TNO), Delft;
QuTech, Delft University of Technology

Contributors

• Cheng L.K. (Lun)
• Dijkhuizen, N. (Niels)
• Dréau, A.E. (Anaïs)
• Harmsma, P.J. (Peter)
• Humphreys, P.C. (Peter)
• Verlaan, A. L. (Ad)
• Voigt, D. (Dirk)
• de Jong, W. (Wim)