Creation and control of high-dimensional multi-partite classically entangled light

Yijie Shen; Isaac Nape; Xilin Yang; Xing Fu; Mali Gong; Darryl Naidoo; Andrew Forbes

doi:10.1038/s41377-021-00493-x

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Creation and control of high-dimensional multi-partite classically entangled light

Articles

- Creation and control of high-dimensional multi-partite classically entangled light
- Light: Science & Applications Vol. 10, Issue 5, Pages: 796-805(2021)
- Affiliations：
  
  1.School of Physics, University of the Witwatersrand, Private Bag 3, Wits 2050, South Africa
  2.State Key Laboratory of Precision Measurement Technology and Instruments, Department of Precision Instrument, Tsinghua University, 100084 Beijing, China
  3.Electrical and Computer Engineering Department, University of California, Los Angeles, CA 90095, USA
  4.Key Laboratory of Photonic Control Technology (Tsinghua University), Ministry of Education, 100084 Beijing, China
  5.CSIR National Laser Centre, PO Box 395, Pretoria 0001, South Africa
  6.Present address: Optoelectronics Research Centre, University of Southampton, Southampton SO17 1BJ, UK
- Author bio：
  
  Yijie Shen (Y.Shen@soton.ac.uk)
  Andrew Forbes (Andrew.Forbes@wits.ac.za)
- Funds：
- DOI：10.1038/s41377-021-00493-x
  CLC：
- Published：31 May 2021，
  
  Published Online：08 March 2021，
  
  Received：21 September 2020，
  
  Revised：28 January 2021，
  
  Accepted：16 February 2021
- Accepted：
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Shen, Y. J. et al. Creation and control of high-dimensional multi-partite classically entangled light. Light: Science & Applications, 10, 796-805 (2021).
DOI：

Shen, Y. J. et al. Creation and control of high-dimensional multi-partite classically entangled light. Light: Science & Applications, 10, 796-805 (2021). DOI： 10.1038/s41377-021-00493-x.

摘要

Abstract

Vector beams

non-separable in spatial mode and polarisation

have emerged as enabling tools in many diverse applications

from communication to imaging. This applicability has been achieved by sophisticated laser designs controlling the spin and orbital angular momentum

but so far is restricted to only two-dimensional states. Here we demonstrate the first vectorially structured light created and fully controlled in eight dimensions

a new state-of-the-art. We externally modulate our beam to control

for the first time

the complete set of classical Greenberger–Horne–Zeilinger (GHZ) states in paraxial structured light beams

in analogy with high-dimensional multi-partite quantum entangled states

and introduce a new tomography method to verify their fidelity. Our complete theoretical framework reveals a rich parameter space for further extending the dimensionality and degrees of freedom

opening new pathways for vectorially structured light in the classical and quantum regimes.

关键词

Keywords

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