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Showing 1–5 of 5 results
Advanced filters: Author: Nadia O. Antoniadis Clear advanced filters

  • Spin–photon interfaces provide a connection between quantum information stored in atomic or electronic spins and optical communications networks. A quantum photon emitter with long-lived, controllable coherent spin has now been demonstrated.

    • Mark R. Hogg
    • Nadia O. Antoniadis
    • Richard J. Warburton
    Research
    Nature Physics
    Volume: 21, P: 1475-1481

  • Single-shot readout of optically active spin qubits is typically limited by low photon collection rates and measurement back-action. Here the authors overcome these limitations by using an open cavity approach for single-shot readout of a semiconductor quantum dot and demonstrate record readout time of a few ns.

    • Nadia O. Antoniadis
    • Mark R. Hogg
    • Richard J. Warburton
    ResearchOpen Access
    Nature Communications
    Volume: 14, P: 1-7

  • Measurements on a single artificial atom—a quantum dot—coupled to an optical cavity show scattering dynamics that depend on the number of photons involved in the light–matter interaction, which is a signature of stimulated emission.

    • Natasha Tomm
    • Sahand Mahmoodian
    • Richard J. Warburton
    ResearchOpen Access
    Nature Physics
    Volume: 19, P: 857-862

  • High efficiency, coherence and indistinguishability are key requirements for the application of single-photon sources for quantum technologies, but hard to achieve concurrently. A gated quantum dot in an open, tunable microcavity now can create single photons on-demand with an end-to-end efficiency of 57%, preserving coherence over microsecond-long trains of single photons.

    • Natasha Tomm
    • Alisa Javadi
    • Richard John Warburton
    Research
    Nature Nanotechnology
    Volume: 16, P: 399-403