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Showing 1–5 of 5 results
Advanced filters: Author: Lukas Worschech Clear advanced filters

  • Optoelectronic devices such as conventional semiconductor lasers are used to study the chaotic behaviour of nonlinear systems. Here chaos is observed for quantum-dot microlasers operating close to the quantum limit with potential for new directions in the study of chaos in quantum systems.

    • Ferdinand Albert
    • Caspar Hopfmann
    • Ido Kanter
    Research
    Nature Communications
    Volume: 2, P: 1-5

  • An electrically pumped polariton laser is constructed using a quantum well microcavity, and its polaritonic nature is demonstrated unambiguously by using a magnetic field to probe the part-light, part-matter character of the system.

    • Christian Schneider
    • Arash Rahimi-Iman
    • Sven Höfling
    Research
    Nature
    Volume: 497, P: 348-352

  • Similar to atoms in cold gases, exciton–polaritons in semiconductor microcavities can undergo Bose–Einstein condensation. Now, formation of a condensate in an excited orbital state has been observed in such a system, underlining the potential of exciton–polariton condensates to emulate condensed-matter physics.

    • Na Young Kim
    • Kenichiro Kusudo
    • Yoshihisa Yamamoto
    Research
    Nature Physics
    Volume: 7, P: 681-686

  • Electron spin in quantum dots are extensively studied as a qubit for quantum information processing. However, the coherence of electron spin is deleteriously influenced by nuclear spin. Quantum-dot holes are a potential alternative. Full control over hole-spin qubits is now achieved using picosecond lasers.

    • Kristiaan De Greve
    • Peter L. McMahon
    • Yoshihisa Yamamoto
    Research
    Nature Physics
    Volume: 7, P: 872-878