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Showing 1–12 of 12 results
Advanced filters: Author: Sergei Slussarenko Clear advanced filters

  • The more degrees of freedom a quantum observable has, the more complicated it is to measure its probability distribution. Here, the authors deduce the mean and variance of an infinite-dimensional variable, the orbital angular momentum of light, from a two-dimensional one: spin angular momentum.

    • Bruno Piccirillo
    • Sergei Slussarenko
    • Enrico Santamato
    ResearchOpen Access
    Nature Communications
    Volume: 6, P: 1-7

  • Quantum channel correction could provide a remedy to unavoidable losses in long-distance quantum communication, but the break-even point has escaped demonstration so far. Here, the authors fill this gap using distillation by heralded amplification, followed by teleportation of entanglement.

    • Sergei Slussarenko
    • Morgan M. Weston
    • Geoff J. Pryde
    ResearchOpen Access
    Nature Communications
    Volume: 13, P: 1-6

  • Unconditional entanglement-enhanced photonic interferometry is implemented by using a state-of-the-art photon source and detectors. Sampling a birefringent phase shift, precision beyond the shot-noise limit is demonstrated without data correction.

    • Sergei Slussarenko
    • Morgan M. Weston
    • Geoff J. Pryde
    Research
    Nature Photonics
    Volume: 11, P: 700-703

  • Entangled local states can be made capable of violating Bell inequalities via nonlocality activation. Typical theoretical approaches require processing many copies of the original state and performing joint measurements on the ensemble. Here, instead, the authors experimentally demonstrate how to do so using a single copy of the state, broadcasting it to two spatially separated parties within a three-node network.

    • Luis Villegas-Aguilar
    • Emanuele Polino
    • Geoff J. Pryde
    ResearchOpen Access
    Nature Communications
    Volume: 15, P: 1-8

  • A mechanism for confining and guiding light that relies on spin–orbit interactions of light is presented.

    • Sergei Slussarenko
    • Alessandro Alberucci
    • Lorenzo Marrucci
    Research
    Nature Photonics
    Volume: 10, P: 571-575

  • Quantum communication promises important advances in information and communication technology, yet it suffers from alignment sensitivity. Here, an alignment-free approach is demonstrated using liquid crystal devices, allowing for broader applications, including satellites.

    • Vincenzo D'Ambrosio
    • Eleonora Nagali
    • Fabio Sciarrino
    ResearchOpen Access
    Nature Communications
    Volume: 3, P: 1-8

  • Beating the standard measurement limits is a goal of metrology, as it would allow for more precise estimation of physical quantities. Borrowing concepts from NOON-state quantum metrology, this work presents a single-photon scheme to measure rotation angles of light with super-resolution precision.

    • Vincenzo D'Ambrosio
    • Nicolò Spagnolo
    • Fabio Sciarrino
    ResearchOpen Access
    Nature Communications
    Volume: 4, P: 1-8

  • Measurements of an unknown optical phase have not yet been performed with the ultimate precision, i.e. saturating the Heisenberg limit. Here, Daryanoosh et al. demonstrate this with a precision within 4% of the Heisenberg limit by combining photonic entanglement and multiple passes.

    • Shakib Daryanoosh
    • Sergei Slussarenko
    • Geoff J. Pryde
    ResearchOpen Access
    Nature Communications
    Volume: 9, P: 1-6