English

Tripartite non-separability in classical optics

Quantum Physics 2016-12-30 v1

Abstract

It is possible to prepare classical optical beams which cannot be characterized by a tensor product of vectors describing each of their degrees of freedom. Here we report the experimental creation of such a non-separable, tripartite GHZ-like state of path, polarization and transverse modes of a classical laser beam. We use a Mach-Zehnder interferometer with an additional mirror and other optical elements to perform measurements that violate Mermin's inequality. This demonstration of a classical optical analogue of tripartite entanglement paves the path to novel optical applications inspired by multipartite quantum information protocols.

Keywords

Cite

@article{arxiv.1511.02265,
  title  = {Tripartite non-separability in classical optics},
  author = {W. F. Balthazar and C. E. R. Souza and D. P. Caetano and E. F. Galvão and J. A. O. Huguenin and A. Z. Khoury},
  journal= {arXiv preprint arXiv:1511.02265},
  year   = {2016}
}

Comments

5 pages, 5 figures

R2 v1 2026-06-22T11:39:27.376Z