Time-domain measurements of group-velocity dispersion in quantum cascade lasers

@article{Choi2008TimedomainMO,
  title={Time-domain measurements of group-velocity dispersion in quantum cascade lasers},
  author={Hyunyong Choi and T. B. Norris and Laurent Diehl and Federico Capasso and D. J. H. Bour and S. Corzine and Jintian Zhu and Gloria Hofler},
  journal={2008 Conference on Lasers and Electro-Optics and 2008 Conference on Quantum Electronics and Laser Science},
  year={2008},
  pages={1-2}
}
Time-resolved mid-infrared upconversion based on sum-frequency generation was applied to measure the group-velocity dispersion in quantum cascade lasers; material, waveguide, and gain contributions were distinguished, and used to model the temporal pulse broadening.