Ultra-short pulses from quantum cascade structures with distributed gain and absorption

@article{Talukder2013UltrashortPF,
  title={Ultra-short pulses from quantum cascade structures with distributed gain and absorption},
  author={Muhammad Anisuzzaman Talukder and Curtis R. Menyuk},
  journal={2013 IEEE Photonics Conference},
  year={2013},
  pages={464-465}
}
We theoretically demonstrate that mid-infrared ultra-short pulses can be created from quantum cascade structures having two-section cavities, where one of the sections is a gain medium and the other is a resonant absorbing medium.