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  • Universal unitary gate for single-photon spin-orbit four-dimensional states

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    90992_1.pdf (155.6Kb)
    Author(s)
    Slussarenko, Sergei
    Karimi, Ebrahim
    Piccirillo, Bruno
    Marrucci, Lorenzo
    Santamato, Enrico
    Griffith University Author(s)
    Slussarenko, Sergei
    Year published
    2009
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    Abstract
    The recently demonstrated possibility of entangling opposite values of the orbital angular momentum (OAM) of a photon with its spin enables the realization of nontrivial one-photon spin-orbit four-dimensional states for quantum information purposes. Hitherto, however, an optical device that can able to perform arbitrary unitary transformations on such spin-orbit photon states has not been proposed yet. In this work we show how to realize such a "universal unitary gate" device, based only on the existing optical technology, and describe its operation. Besides the quantum information field, the proposed device may find ...
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    The recently demonstrated possibility of entangling opposite values of the orbital angular momentum (OAM) of a photon with its spin enables the realization of nontrivial one-photon spin-orbit four-dimensional states for quantum information purposes. Hitherto, however, an optical device that can able to perform arbitrary unitary transformations on such spin-orbit photon states has not been proposed yet. In this work we show how to realize such a "universal unitary gate" device, based only on the existing optical technology, and describe its operation. Besides the quantum information field, the proposed device may find applications wherever an efficient and convenient manipulation of the combined OAM and spin of light is required.
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    Journal Title
    Physical Review A (Atomic, Molecular and Optical Physics)
    Volume
    80
    DOI
    https://doi.org/10.1103/PhysRevA.80.022326
    Copyright Statement
    © 2009 American Physical Society. 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
    Mathematical sciences
    Physical sciences
    Quantum information, computation and communication
    Quantum optics and quantum optomechanics
    Chemical sciences
    Publication URI
    http://hdl.handle.net/10072/57547
    Collection
    • Journal articles

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