E. Dupont et al., Polarization dependence of electroluminescence in Sb-based mid-infrared interband cascade emitters, J APPL PHYS, 86(12), 1999, pp. 7195-7197
We report an experimental investigation of polarization dependence of mid-i
nfrared electroluminescence from type-II InAs/GaInSb interband cascade devi
ces. The in-plane polarized emission was found to be dominant from a laser
structure, supporting the assertion based on the conventional k.p theory. T
he observed electroluminescences from the light-emitting diodes were found
to be nearly independent of polarization. These experimental results have b
een discussed along with theoretical calculations based the conventional k.
p theory. (C) 1999 American Institute of Physics. [S0021-8979(99)03924-9].