Abstract
The present study seeks to scrutinize the optical properties of an ellipsoidal quantum dot (EQD) containing an electron in the presence of an external electric field and a donor (acceptor) impurity. In this regard, the perturbation theory is used and for different values of the confinement strength and the electric field, the linear, nonlinear and total absorption coefficients are calculated as functions of the incident photon energy. The oscillator strength between the ground and first excited states in the EQD is also calculated in terms of the confinement strength. The results show that the optical properties of an EQD decrease with increases in the ellipticity constant and electric field.
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