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Showing 1–7 of 7 results
Advanced filters: Author: Wojciech Pacuski Clear advanced filters

  • Iron Fe2+ions embedded in semiconductor matrix usually have zero magnetic moment in the ground state. Here, the authors show theoretically and experimentally that a nearly doubly degenerate magnetic ground state is produced when iron ions are subjected to strain in epitaxial quantum dots, suggesting they could be used in spintronics and solotronics.

    • T. Smoleński
    • T. Kazimierczuk
    • W. Pacuski
    ResearchOpen Access
    Nature Communications
    Volume: 7, P: 1-7

  • Single-atom dopants embedded in a semiconductor matrix are of potential use for optical, spintronics as well as information storage applications. Here, Kobak et al.realize CdTe and CdSe quantum dots with single cobalt and manganese ions and show how the quantum dot design influences single-spin relaxation time.

    • J. Kobak
    • T. Smoleński
    • W. Pacuski
    ResearchOpen Access
    Nature Communications
    Volume: 5, P: 1-8

  • The spatial modulation of light via magneto-optical control is inherently inefficient due to the insensitivity of photons to external electromagnetic fields. The authors resort to strong coupling between semimagnetic matter and light in microcavities to modulate the spatial properties of the emitted light with an external magnetic field.

    • Magdalena Furman
    • Rafał Mirek
    • Barbara Piętka
    ResearchOpen Access
    Communications Physics
    Volume: 6, P: 1-7

  • Semiconductor microcavities coupled to a quantum well can produce three regimes of coherent light generation depending on the nature of the light–matter and electron–hole interactions. The authors design a Se/Te based microcavity containing a single quantum well which enables them to achieve all three lasing regimes in the one device.

    • Krzysztof Sawicki
    • Jean-Guy Rousset
    • Jan Suffczyński
    ResearchOpen Access
    Communications Physics
    Volume: 2, P: 1-8

  • Coupling of semiconductor quantum wells is governed by short-range interactions, and thus limited to distances of roughly 10 nm. Here, magnetically controlled energy transfer between quantum wells over a distance of 2.15 μm is achieved via polariton-mediated coupling.

    • Maciej Ściesiek
    • Krzysztof Sawicki
    • Jan Suffczyński
    ResearchOpen Access
    Communications Materials
    Volume: 1, P: 1-8