We predict, on the basis of a model calculation, that an asymmetric Fano-type line shape in the intersubband absorption spectrum will be produced by the electron--LO-phonon interaction in a suitably designed quantum well. The asymmetry parameter q, the broadening {Γ}, and the frequency shift {Δ}ωₚ in the Fano profile are varied with the change of the quantum-well structure parameters, and q is also altered by the variation of the doping density in the well.
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Jin et al. (1995) studied this question.
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