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Showing 1–5 of 5 results
Advanced filters: Author: Jan Suffczyński Clear advanced filters

  • Quantum information science requires a source of entangled photon pairs, but existing sources suffer from a low intrinsic efficiency or poor extraction efficiency. Collecting emitted photons from quantum dots can be improved by coupling the dots to an optical cavity, but this is not easy for entangled photon pairs. Now, a suitable optical cavity has been made in the form of a 'photonic' molecule — two identical, connecting microcavities that are deterministically coupled to the optically active modes of a pre-selected quantum dot.

    • Adrien Dousse
    • Jan Suffczyński
    • Pascale Senellart
    Research
    Nature
    Volume: 466, P: 217-220

  • 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