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  • Measuring the individual elements of the optical density matrix

    Author(s)
    Pregnell, KL
    Pegg, DT
    Griffith University Author(s)
    Pegg, David T.
    Year published
    2003
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    Abstract
    Most methods for experimentally reconstructing the quantum state of light involve determining a quasiprobability distribution such as the Wigner function. In this paper we present a scheme for measuring individual density matrix elements in the photon number state representation. Remarkably, the scheme is simple, involving two beam splitters and a reference field in a coherent state.Most methods for experimentally reconstructing the quantum state of light involve determining a quasiprobability distribution such as the Wigner function. In this paper we present a scheme for measuring individual density matrix elements in the photon number state representation. Remarkably, the scheme is simple, involving two beam splitters and a reference field in a coherent state.
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    Book Title
    Proceedings of the Sixth International Conference on Quantum Communication, Measurement and Computing
    Publisher URI
    http://www.rintonpress.com/
    Publication URI
    http://hdl.handle.net/10072/649
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    • Book chapters

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