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Two-dimensional materials

Extreme nonlinear excitonic interactions

Nature Photonics volume 18, pages 769–770 (2024)Cite this article

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Precise control over doping levels and displacement fields enables the observation of a notable blueshift in the Fermi polaron resonance in trilayer tungsten diselenide. This result highlights the promise of two-dimensional materials for advanced nonlinear optical applications with high tunability.

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Fig. 1: Excitons and excitonic interactions in trilayer WSe2 under above bandgap laser excitation.

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Authors and Affiliations

  1. Department of Physics, Washington University, St Louis, MO, USA

    Xi Wang

  2. Center for Quantum Leaps, Washington University, St Louis, MO, USA

    Xi Wang

  3. Institute of Materials Science and Engineering, Washington University, St Louis, MO, USA

    Xi Wang

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  1. Xi Wang
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Correspondence to Xi Wang.

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Wang, X. Extreme nonlinear excitonic interactions. Nat. Photon. 18, 769–770 (2024). https://doi.org/10.1038/s41566-024-01488-x

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