Enhanced carrier injection efficiency from lateral current injection in multiple-quantum-well DFB lasers

@article{Champagne1996EnhancedCI,
  title={Enhanced carrier injection efficiency from lateral current injection in multiple-quantum-well DFB lasers},
  author={Alex Champagne and Romain Maciejko and Takayuki Makino},
  journal={IEEE Photonics Technology Letters},
  year={1996},
  volume={8},
  pages={749-751}
}
A bidimensional simulation shows that the lateral carrier injection in etched active region of multiple-quantum-well DFB lasers represents a large fraction of the injected current, leading to improved carrier homogenization in the wells. This increases the average carrier density substantially and provides a much higher gain for the same injected current, depending on detailed device structure. 

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