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Nanophotonics

Tracking nonlinear conversion of light in van der Waals waveguides

Nature Nanotechnology volume 20, pages 325–326 (2025)Cite this article

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Far-field stroboscopic scattering microscopy tracks the propagation of both fundamental and second-harmonic waves within van der Waals waveguides, allowing parameter-free determination of phase-matching conditions.

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Fig. 1: Imaging the propagation of fundamental and second-harmonic light in 3R-MoS2 waveguides.

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Authors and Affiliations

  1. Center for Quantum Physics, Key Laboratory of Advanced Optoelectronic Quantum Architecture and Measurement (MOE), School of Physics, Beijing Institute of Technology, Beijing, China

    Jiahua Duan & Yugui Yao

  2. Center for Interdisciplinary Science of Optical Quantum and NEMS Integration, School of Physics, Beijing Institute of Technology, Beijing, China

    Jiahua Duan

  3. Beijing Key Lab of Nanophotonics and Ultrafine Optoelectronic Systems, School of Physics, Beijing Institute of Technology, Beijing, China

    Yugui Yao

  4. International Center for Quantum Materials, Beijing Institute of Technology, Zhuhai, China

    Yugui Yao

Authors
  1. Jiahua Duan
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  2. Yugui Yao
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Correspondence to Jiahua Duan or Yugui Yao.

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Duan, J., Yao, Y. Tracking nonlinear conversion of light in van der Waals waveguides. Nat. Nanotechnol. 20, 325–326 (2025). https://doi.org/10.1038/s41565-024-01850-8

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