@misc{indiciaec8078ca8ffaa,
  title = {Single mode terahertz quantum cascade amplifier},
  author = {Wallis, R. and Shah, Y. D. and Jessop, D. S. and Degl'Innocenti, R. and Klimont, A. and Kamboj, V. and Beere, H. E. and Ritchie, D. A.},
  year = {2014},
  doi = {10.1063/1.4897438},
  url = {https://www.osti.gov/biblio/22350839},
  note = {Source identifier: 22350839}
}