@misc{indiciae3a3fb2394327,
  title = {Monolithic narrow-linewidth InGaAsP semiconductor laser for coherent optical communications},
  author = {Palfrey, S. L. and Enstrom, R. E. and Longeway, P. A.},
  year = {1989},
  url = {https://ntrs.nasa.gov/citations/19890019450},
  note = {Source identifier: 19890019450}
}