@misc{indiciae047c378eb5e3,
  title = {Flat optics for image differentiation},
  author = {Zhou, You and Zheng, Hanyu and Kravchenko, Ivan I. and Valentine, Jason},
  year = {2020},
  doi = {10.1038/s41566-020-0591-3},
  url = {https://www.osti.gov/biblio/1619041},
  note = {Source identifier: 1619041}
}