Large quantum alphabets with a tiny footprint

Fazilah Nothlawala; Andrew Forbes

doi:10.1038/s41377-024-01550-x

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Large quantum alphabets with a tiny footprint

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- Large quantum alphabets with a tiny footprint
- Light: Science & Applications Vol. 13, Issue 9, Pages: 1701-1703(2024)
- Affiliations：
  
  School of Physics, University of the Witwatersrand, Johannesburg, South Africa
- Author bio：
  
  Andrew Forbes (andrew.forbes@wits.ac.za)
- Funds：
- DOI：10.1038/s41377-024-01550-x
  CLC：
- Published Online：23 August 2024，
  
  Published：30 September 2024
- Accepted：
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Nothlawala, F. & Forbes, A. Large quantum alphabets with a tiny footprint. Light: Science & Applications, 13, 1701-1703 (2024).
DOI：

Nothlawala, F. & Forbes, A. Large quantum alphabets with a tiny footprint. Light: Science & Applications, 13, 1701-1703 (2024). DOI： 10.1038/s41377-024-01550-x.

摘要

Abstract

High-dimensional quantum states are known to offer advantages over their two-dimensional qubit counterparts

but their preparation and manipulation has been bulky and cumbersome. Now

quantum state control has been demonstrated on-chip with a ~1 μm

footprint and nm-scale features

producing up to eight-dimensional quantum states and ushering in a new route to large quantum information encoding on a small footprint.

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Keywords

references

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Erhard, M., Krenn, M. & Zeilinger, A. Advances in high-dimensional quantum entanglement. Nat. Rev. Phys. 2 , 365–381 (2020)..

Forbes, A. et al. Quantum cryptography with structured photons. Appl. Phys. Lett. 124 , 110501 (2024)..

Elshaari, A. W. et al. Hybrid integrated quantum photonic circuits. Nat. Photonics 14 , 285–298 (2020)..

Bütow, J. et al. Generating free-space structured light with programmable integrated photonics. Nat. Photonics 18 , 243–249 (2024)..

Zhong, H. Z. et al. Gigahertz-rate-switchable wavefront shaping through integration of metasurfaces with photonic integrated circuit. Adv. Photonics 6 , 016005 (2024)..

Forbes, A.,Mkhumbuza, L. & Feng, L. Orbital angular momentum lasers. Nat. Rev. Phys. 6 , 352–364 (2024)..

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Forbes, A. & Nape, I. Quantum mechanics with patterns of light: progress in high dimensional and multidimensional entanglement with structured light. AVS Quantum Sci. 1 , 011701 (2019)..

Zhang, Z. S. et al. Entanglement-based quantum information technology: a tutorial. Adv. Opt. Photonics 16 , 60–162 (2024)..

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