Investigation of germanium quantum-well light sources.

@article{Fei2015InvestigationOG,
  title={Investigation of germanium quantum-well light sources.},
  author={Edward T. Fei and Xiaochi Chen and Kai Zang and Yijie Huo and Gary Shambat and Gerald Miller and Xi Liu and Raj Dutt and T. I. Kamins and Jelena Vuckovic and James S. Harris},
  journal={Optics express},
  year={2015},
  volume={23 17},
  pages={22424-30}
}
In this paper, we report a broad investigation of the optical properties of germanium (Ge) quantum-well devices. Our simulations show a significant increase of carrier density in the Ge quantum wells. Photoluminescence (PL) measurements show the enhanced direct-bandgap radiative recombination rates due to the carrier density increase in the Ge quantum wells. Electroluminescence (EL) measurements show the temperature-dependent properties of our Ge quantum-well devices, which are in good… CONTINUE READING
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