Shedding light on the monolayer-WSe2 exciton's nature by optical effective-mass measurements

27 Dec 2018 Schneider Lorenz Maximilian Esdaille Shanece Rhodes Daniel Barmak Katayun Hone James Rahimi-Iman Arash

Two-dimensional excitons formed in quantum materials such as monolayer transition-metal dichalcogenides and their strong light-matter interaction have attracted unrivalled attention by the research community due to their extraordinarily large oscillator strength as well as binding energy, and the inherent spin-valley locking. Semiconducting few-layer and monolayer materials with their sharp optical resonances such as WSe2 have been extensively studied and envisioned for applications in the weak as well as strong light-matter coupling regimes, for effective nano-laser operation with various different structures, and particularly for valleytronic nanophotonics motivated by the circular dichroism... (read more)

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  • MESOSCALE AND NANOSCALE PHYSICS
  • MATERIALS SCIENCE