Excitonic effects on the nonlinear intersubband optical properties of a semi-parabolic one-dimensional quantum dot

In this work the excitonic effects on the linear and nonlinear optical properties of semi-parabolic one-dimensional quantum dots are investigated in all confinement regimes. The Energy eigenvalues and eigenfunctions of these systems are calculated numerically, and optical properties are obtained using the compact density matrix approach. Our results show that the intersubband energy intervals and the dipole matrix elements in the presence of excitonic effects are larger than those without these effects. The calculations reveal that the resonant peak values of the optical properties are greater and occur at higher values of incident photon energy when excitonic effects are considered.