@article{physicsinformedneuralnetworkswithhard,
  title = {Physics-informed neural networks with hard constraints for inverse design},
  author = {Lu Lu and Raphael Pestourie and Wenjie Yao and Zhicheng Wang and Francesc Verdugo and Steven G. Johnson},
  year = {2021},
  eprint = {2102.04626},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/2102.04626v1},
}