Long-range quantum entanglement in dielectric mu-near-zero metamaterials

Olivia Mello; Larissa Vertchenko; Seth Nelson; Adrien Debacq; Durdu Guney; Eric Mazur; Michaël Lobet

doi:10.1038/s41377-025-01994-9

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Long-range quantum entanglement in dielectric mu-near-zero metamaterials

Original Articles

- Long-range quantum entanglement in dielectric mu-near-zero metamaterials
- Long-range quantum entanglement in dielectric mu-near-zero metamaterials
- Light: Science & Applications 2025年14卷第10期页码：3182-3194
- Affiliations：
  
  1.John A. Paulson School of Engineering and Applied Sciences, Harvard University, 9 Oxford Street, Cambridge, MA 02138, USA
  2.Sparrow Quantum, 2000 Copenhagen, Denmark
  3.Physics Department, Michigan Technological University, Houghton, MI, USA
  4.Department of Physics and Namur Institute of Structured Materials, University of Namur, Rue de Bruxelles 51, 5000 Namur, Belgium
  5.Electrical & Computer Engineering Department, Michigan Technological University, Houghton, MI, USA
- Author bio：
  
  Michaël Lobet (michael.lobet@unamur.be)
- Funds：
- DOI：10.1038/s41377-025-01994-9
  中图分类号：
- 收稿：2025-01-21，
  
  修回：2025-07-08，
  
  录用：2025-07-27，
  
  网络出版：2025-09-03，
  
  纸质出版：2025-10-31
- Accepted：
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Olivia Mello, Larissa Vertchenko, Seth Nelson, 等. Long-range quantum entanglement in dielectric mu-near-zero metamaterials[J]. Light: Science & Applications, 2025,14(10):3182-3194.

Mello, O. et al. Long-range quantum entanglement in dielectric mu-near-zero metamaterials. Light: Science & Applications, 14, 3182-3194 (2025).
Olivia Mello, Larissa Vertchenko, Seth Nelson, 等. Long-range quantum entanglement in dielectric mu-near-zero metamaterials[J]. Light: Science & Applications, 2025,14(10):3182-3194. DOI： 10.1038/s41377-025-01994-9.

Mello, O. et al. Long-range quantum entanglement in dielectric mu-near-zero metamaterials. Light: Science & Applications, 14, 3182-3194 (2025). DOI： 10.1038/s41377-025-01994-9.

摘要

Abstract

Entanglement is paramount in quantum information processing. Many quantum systems suffer from spatial decoherence in distances over a wavelength and cannot be sustained over short time periods due to dissipation. However

long range solutions are required for the development of quantum information processing on chip. Photonic reservoirs mediating the interactions between qubits and their environment are suggested. Recent research takes advantage of extended wavelength inside near-zero refractive index media to solve the long-range problem along with less sensitivity on the position of quantum emitters. However

those recent proposals use plasmonic epsilon near-zero waveguides that are intrinsically lossy. Here

we pro

pose a fully dielectric platform

compatible with the Nitrogen Vacancy (NV) diamond centers on-chip technology

to drastically improve the range of entanglement over 17 free-space wavelengths

or approximatively 12.5 µm

using mu near-zero metamaterials. We evaluate transient and steady state concurrence demonstrating an order of magnitude enhancement compared to previous works. This is

to the best of our knowledge

the first time that such a long distance is reported using this strategy. Moreover

value of the zero time delay second order correlation function

$$ {g}_{12}^{(2)}(0) $$

are provided

showing antibunching signature correlated with a high degree of concurrence.

关键词

Keywords

references

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