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Showing 1–4 of 4 results
Advanced filters: Author: Léo Colombier Clear advanced filters

  • Monolayer semiconductors reveal their crystal quality and valleytronic properties in two-dimensional polarimetric imaging.

    • Andre Neumann
    • Jessica Lindlau
    • Alexander Högele
    Research
    Nature Nanotechnology
    Volume: 12, P: 329-334

  • Cavity-enhanced light-matter interaction in the weak-coupling regime is known to result in Purcell enhancement. Here the authors demonstrate Purcell enhancement in the photoluminescence of vertical MoSe2-WSe2 heterostructures coupled to a micro-cavity and determine the light-matter coupling strength for interlayer excitons.

    • Michael Förg
    • Léo Colombier
    • Alexander Högele
    ResearchOpen Access
    Nature Communications
    Volume: 10, P: 1-6

  • Here, the authors use Raman spectroscopy on circular graphene drums to demonstrate dynamical softening of optical phonons induced by the macroscopic flexural motion of graphene, and find evidence that the strain in graphene is enhanced under non-linear driving.

    • Xin Zhang
    • Kevin Makles
    • Stéphane Berciaud
    ResearchOpen Access
    Nature Communications
    Volume: 11, P: 1-9

  • The electronic band structure of atomically thin transition metal dichalcogenides is strongly sensitive to the number of layers, resulting in modified light emission. Here, the authors investigate the cryogenic emission from bilayer WSe2 to identify the role of momentum-indirect excitons for its optical response.

    • Jessica Lindlau
    • Malte Selig
    • Alexander Högele
    ResearchOpen Access
    Nature Communications
    Volume: 9, P: 1-7