Polarisation-insensitive generation of complex vector modes from a digital micromirror device

Rosales-Guzmán, C., Hu, X.-B., Selyem, A., Moreno-Acosta, P., Franke-Arnold, S. , Ramos-Garcia, R. and Forbes, A. (2020) Polarisation-insensitive generation of complex vector modes from a digital micromirror device. Scientific Reports, 10, 10434. (doi: 10.1038/s41598-020-66799-9) (PMID:32591585) (PMCID:PMC7320161)

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Abstract

In recent time there has been an increasing amount of interest in developing novel techniques for the generation of complex vector light beams. Amongst these, digital holography stands out as one of the most flexible and versatile with almost unlimited freedom in the generation of scalar and complex vector light fields featuring arbitrary polarisation distributions and spatial profiles. In this manuscript we put forward a novel technique, which relies on the polarisation-insensitive attribute of Digital Micromirror Devices (DMDs). In a prior work where we outlined a new detection scheme based on Stokes projections we alluded to this technique. Here we outline the creation process in full, providing all the details for its experimental implementation. In addition, we fully characterise the performance of such technique, providing a quantitative analysis of the generated modes. To this end, we experimentally reconstruct the transverse polarisation distribution of arbitrary vector modes and compare the ellipticity and flatness of the polarisation ellipses with theoretical predictions. Further, we also generate vector modes with arbitrary degrees of non-separability and determine their degree of concurrence comparing this to theoretical predictions.

Item Type:Articles
Additional Information:CRG acknowledge financial support from the National Natural Science Foundation of China (NSFC) under Grant No. 61975047.
Status:Published
Refereed:Yes
Glasgow Author(s) Enlighten ID:Selyem, Adam and Franke-Arnold, Professor Sonja
Authors: Rosales-Guzmán, C., Hu, X.-B., Selyem, A., Moreno-Acosta, P., Franke-Arnold, S., Ramos-Garcia, R., and Forbes, A.
College/School:College of Science and Engineering > School of Physics and Astronomy
Journal Name:Scientific Reports
Publisher:Nature Research
ISSN:2045-2322
ISSN (Online):2045-2322
Copyright Holders:Copyright © 2020 The Authors
First Published:First published in Scientific Reports 10: 10434
Publisher Policy:Reproduced under a Creative Commons License
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