@misc{indiciaeaa42a7a49792,
  title = {Bidirectional Semiconductor Laser.},
  author = {C Gmachl and A Tredicucci and DL Sivco and AL Hutchinson and F Capasso and AY Cho},
  year = {1999},
  doi = {10.1126/science.286.5440.749},
  url = {https://pubmed.ncbi.nlm.nih.gov/10531055/},
  note = {Source identifier: 10531055}
}