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Showing 1–6 of 6 results
Advanced filters: Author: Julien Claudon Clear advanced filters

  • The lack of effcient solid-state sources of single photons is impeding the further development of many fields including quantum communication, quantum information processing and metrology. Using an InAs quantum dot embedded in a GaAs photonic nanowire with carefully tailored ends, researchers demonstrate a record single-photon source effciency of 0.72 under optical pumping.

    • Julien Claudon
    • Joël Bleuse
    • Jean-Michel Gérard
    Research
    Nature Photonics
    Volume: 4, P: 174-177

  • Multi-controlled operations are very common in quantum algorithms applications. Here, the authors propose three schemes for decomposing n-control-NOT gates into single-qubit and CNOT gates, which have polylog overhead as opposed to current linear schemes.

    • Baptiste Claudon
    • Julien Zylberman
    • Jean-Philip Piquemal
    ResearchOpen Access
    Nature Communications
    Volume: 15, P: 1-8

  • Spin-orbit interaction, and the associated phenomena, is commonly observed in crystalline structure pumped with circularly polarised beam. Here, the authors showed that this is not the case, and used nonlinear thin film to produce vortex beams of second-harmonic light.

    • Domenico de Ceglia
    • Laure Coudrat
    • Costantino De Angelis
    ResearchOpen Access
    Nature Communications
    Volume: 15, P: 1-8

  • Resonant driving of a nanoscale quantum system coupled to a microscopic mechanical resonator may have uses in precision sensing and quantum information. The authors realize this by tailoring the geometry of a semiconductor nanowire embedding a quantum dot, detecting sub-picometre displacements.

    • Mathieu Munsch
    • Andreas V. Kuhlmann
    • Richard J. Warburton
    ResearchOpen Access
    Nature Communications
    Volume: 8, P: 1-7

  • Hybrid quantum optomechanical systems interface a single two-level system with a macroscopic mechanical degree of freedom. In a microwire with a single embedded semiconductor quantum dot, not only can the wire vibration modulate the excitonic transition energy, but the optical drive of the quantum dot can also induce motion in the wire.

    • Jan Kettler
    • Nitika Vaish
    • Jean-Philippe Poizat
    Research
    Nature Nanotechnology
    Volume: 16, P: 283-287