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  • Spin-to-orbital conversion of the angular momentum of light and its classical and quantum applications

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    Author(s)
    Marrucci, Lorenzo
    Karimi, Ebrahim
    Slussarenko, Sergei
    Piccirillo, Bruno
    Santamato, Enrico
    Nagali, Eleonora
    Sciarrino, Fabio
    Griffith University Author(s)
    Slussarenko, Sergei
    Year published
    2011
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    Abstract
    A few years ago the possibility of coupling and inter-converting the spin and orbital angular momentum (SAM and OAM) of paraxial light beams in inhomogeneous anisotropic media was demonstrated. An important case is provided by waveplates having a singular transverse pattern of the birefringent optical axis, with a topological singularity of charge q at the plate center, hence named 'q-plates'. The introduction of q-plates has given rise in recent years to a number of new results and to significant progress in the field of orbital angular momentum of light. Particularly promising are the quantum photonic applications, because ...
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    A few years ago the possibility of coupling and inter-converting the spin and orbital angular momentum (SAM and OAM) of paraxial light beams in inhomogeneous anisotropic media was demonstrated. An important case is provided by waveplates having a singular transverse pattern of the birefringent optical axis, with a topological singularity of charge q at the plate center, hence named 'q-plates'. The introduction of q-plates has given rise in recent years to a number of new results and to significant progress in the field of orbital angular momentum of light. Particularly promising are the quantum photonic applications, because the polarization control of OAM allows the transfer of quantum information from the SAM qubit space to an OAM subspace of a photon and vice versa. In this paper, we review the development of the q-plate idea and some of the most significant results that have originated from it, and we will briefly touch on many other related findings concerning the interaction of the SAM and OAM of light.
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    Journal Title
    Journal of Optics
    Volume
    13
    Issue
    6
    DOI
    https://doi.org/10.1088/2040-8978/13/6/064001
    Copyright Statement
    © 2011 Institute of Physics Publishing. This is the author-manuscript version of this paper. Reproduced in accordance with the copyright policy of the publisher.Please refer to the journal's website for access to the definitive, published version.
    Subject
    Atomic, molecular and optical physics
    Classical and physical optics
    Photonics, optoelectronics and optical communications
    Atomic, molecular and optical physics not elsewhere classified
    Quantum physics
    Publication URI
    http://hdl.handle.net/10072/57549
    Collection
    • Journal articles

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