Super-resolution lightwave tomography of electronic bands in quantum materials

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Abstract
Probing quantum materials: Unraveling the functionalities of quantum materials such as spin-valley-electronic, topological, and many-body effects provides a route to exploiting these materials for applications. Borsch et al. introduce a spectroscopic technique based on the concept of crystal-momentum combs. By extending the ideas of frequency combs of metrology and superresolution imaging, they demonstrate the ability to directly map out the properties of quantum electronic structures under ambient conditions. Using this technique combined with accurate many-body computations, they were able to reveal tomographic images of two-dimensional quantum materials. Science , this issue p. 1204
Funding Information
  • Army Research Office (W911NF1810299)
  • Deutsche Forschungsgemeinschaft (31469503)
  • Deutsche Forschungsgemeinschaft (1598/8)
  • College of Engineering Blue Sky Research Program

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