Selyem, A., Rosales-Guzmán, C., Croke, S. , Forbes, A. and Franke-Arnold, S. (2019) Basis-independent tomography and non-separability witnesses of pure complex vectorial light fields by Stokes projections. Physical Review A: Atomic, Molecular and Optical Physics, 100, 063842. (doi: 10.1103/PhysRevA.100.063842)
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Abstract
Complex vectorial light fields, non-separable in their polarization and spatial degree of freedom, are of relevance in a wide variety of research areas encompassing microscopy, metrology, communication and topological studies. Controversially, they have been suggested as analogues to quantum entanglement, raising fundamental questions on the relation between non-separability in classical systems, and entanglement in quantum systems. We perform basis-independent tomography of arbitrary pure vectorial light fields using spatially resolved Stokes projections. Moreover, we propose and demonstrate that concurrence, as a non-separability witness for any pure vectorial light field, can be extracted from global Stokes projections, without assessing the spatial degree of freedom.
| Item Type: | Articles |
|---|---|
| Status: | Published |
| Refereed: | Yes |
| Glasgow Author(s) Enlighten ID: | Selyem, Adam and Franke-Arnold, Professor Sonja and Croke, Dr Sarah |
| Authors: | Selyem, A., Rosales-Guzmán, C., Croke, S., Forbes, A., and Franke-Arnold, S. |
| College/School: | College of Science and Engineering > School of Physics and Astronomy |
| Journal Name: | Physical Review A: Atomic, Molecular and Optical Physics |
| Publisher: | American Physical Society |
| ISSN: | 1050-2947 |
| ISSN (Online): | 1094-1622 |
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