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Showing 1–7 of 7 results
Advanced filters: Author: Martin Esmann Clear advanced filters

  • The authors report the experimental observation of room-temperature condensation of exciton polaritons in quasi-2D layered crystals of halide perovskite, integrated into an open optical microcavity. These materials combine van-der-Waals properties with dominant exciton physics at room temperature.

    • Marti Struve
    • Christoph Bennenhei
    • Martin Esmann
    ResearchOpen Access
    Nature Communications
    Volume: 17, P: 1-7

  • Here, the authors show brightening of dark excitons by strong coupling between cavity photons and high energy, spin-allowed, bright excitons in monolayer WSe2. In this regime, the commonly observed photoluminescence quenching stemming from the fast relaxation to the dark ground state is prevented.

    • Hangyong Shan
    • Ivan Iorsh
    • Christian Schneider
    ResearchOpen Access
    Nature Communications
    Volume: 13, P: 1-7

  • Here, the authors show that the interaction between microcavity photons and excitons in an atomically thin WSe2 results in a hybridized regime of strong light-matter coupling. Coherence build-up is accompanied by a threshold-like behaviour of the emitted light intensity, which is a fingerprint of a polariton laser effect.

    • Hangyong Shan
    • Lukas Lackner
    • Carlos Antón-Solanas
    ResearchOpen Access
    Nature Communications
    Volume: 12, P: 1-7

  • Light scattering spectra are acquired in the near field to map dipole–dipole interactions and extract all their vectorial components with 5-nm spatial resolution.

    • Martin Esmann
    • Simon Fabian Becker
    • Christoph Lienau
    Research
    Nature Nanotechnology
    Volume: 14, P: 698-704

  • Dietz, Juhl et al. examine the cellular and humoral immune response to SARS-CoV-2 in 655 Danish older citizens that received their SARS-CoV-2 vaccine. The findings provide insight into the impact of age and disease burden on SARS-CoV2 vaccine-induced T cell immunity.

    • Lisa Loksø Dietz
    • Anna Karina Juhl
    • A. Traytel
    ResearchOpen Access
    Communications Medicine
    Volume: 3, P: 1-13