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Carrier charge imbalance and self-consistent potential effects are systematically studied regarding the optical properties of separate confinement quantum well lasers. Numerical modeling of the typical InP-based laser structure shows that violating the quasineutrality in the vicinity of quantum wells results in a dramatic change in a fraction of carriers trapped in the lasing subbands, and a corresponding modification of laser waveguide properties. © 2000 American Institute of Physics.
Published in:
Journal of Applied Physics
(Volume:87
,
Issue:
10
)
Date of Publication: May 2000