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  • Arbitrary, direct and deterministic manipulation of vector beams via electrically-tuned q-plates

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    SlussarenkoPUB1561.pdf (651.2Kb)
    Author(s)
    D'Ambrosio, Vincenzo
    Baccari, Flavio
    Slussarenko, Sergei
    Marrucci, Lorenzo
    Sciarrino, Fabio
    Griffith University Author(s)
    Slussarenko, Sergei
    Year published
    2015
    Metadata
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    Abstract
    Vectorial vortex light beams, also referred to as spirally polarized beams, are of particular interest since they can be exploited in several applications ranging from quantum communication to spectroscopy and microscopy. In particular, symmetric pairs of vector beams define two-dimensional spaces which are described as “hybrid Poincaré spheres” (HPS). While generation of vortex beams has been demonstrated by various techniques, their manipulation, in particular in order to obtain transformations describing curves entirely contained on a given HPS, is quite challenging, as it requires a simultaneous action on both polarization ...
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    Vectorial vortex light beams, also referred to as spirally polarized beams, are of particular interest since they can be exploited in several applications ranging from quantum communication to spectroscopy and microscopy. In particular, symmetric pairs of vector beams define two-dimensional spaces which are described as “hybrid Poincaré spheres” (HPS). While generation of vortex beams has been demonstrated by various techniques, their manipulation, in particular in order to obtain transformations describing curves entirely contained on a given HPS, is quite challenging, as it requires a simultaneous action on both polarization and orbital angular momentum degrees of freedom. Here, we demonstrate experimentally this kind of manipulation by exploiting electrically-tuned q-plates: an arbitrary transformation on the HPS can be obtained, by controlling two parameters of the q-plate, namely the initial optic axis orientation α0 and the uniform birefringent phase retardation δ. Upon varying such parameters, one can determine both the rotation axis and the rotation angle on the HPS, obtaining the desired state manipulation with high fidelity.
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    Journal Title
    Scientific Reports
    Volume
    5
    DOI
    https://doi.org/10.1038/srep07840
    Copyright Statement
    © The Author(s) 2015. This work is licensed under a Creative Commons Attribution-NonCommercial-NoDerivs 4.0 International License. The images or other third party material in this article are included in the article's Creative Commons license, unless indicated otherwise in the credit line; if the material is not included under the Creative Commons license, users will need to obtain permission from the license holder in order to reproduce the material. To view a copy of this license, visit http://creativecommons.org/licenses/by-nc-nd/4.0/
    Subject
    Physical Sciences not elsewhere classified
    Publication URI
    http://hdl.handle.net/10072/141138
    Collection
    • Journal articles

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