Abstract

We review the impact of electron quantum confinement on the density of states, the energy spectrum, wave functions, inter- and intraband oscillator strengths and level broadening. We separate the odd order susceptibilities in Franz-Keldysh and Stark contributions and show that the quantum confinement mostly affects the former. We also analyze the impact of quantum confinement on the figure of merit of the resonant optical Kerr effect and find that this may be mostly affected by changes in the level broadening mechanism.

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