@misc{indiciae58a628e9298e,
  title = {Apparatus For Linewidth Reduction in Distributed Feedback or Distributed Bragg Reflector Semiconductor Lasers Using Vertical Emission},
  author = {Cook, Anthony L. and Hendricks, Herbert D.},
  year = {2000},
  url = {https://ntrs.nasa.gov/citations/20000091029},
  note = {Source identifier: 20000091029}
}