Nonlinear optical properties of a three-dimensional anisotropic quantum dot

Details Nonlinear optical properties of a three-dimensional anisotropic quantum dot Nonlinear optical properties of a three-dimensional anisotropic quantum dot

2011-11-15

arxiv.org/abs/1111.3444v1

Physics

Condensed Matter

Mesoscale and Nanoscale Physics

12pages 8 figures, accpeted for publication in solid state communications

Scientific paper

The linear and nonlinear optical properties in a three-dimensional anisotropic quantum dot subjected to a uniform magnetic field directed with respect to the $z-$axis have been investigated within the compact-density matrix formalism and the iterative method. The dependence of the linear and nonlinear optical properties on characteristic frequency of the parabolic potential, on the magnetic field and on the incident optical intensity is detailedly studied. Moreover, take into account the position-dependent effective mass, the dependence of the linear and nonlinear optical properties on the dot radius is investigated. The results show that the optical absorption coefficients (ACs) and refractive index (RI) changes of the anisotropic quantum dot (QD) have strongly affected by these factors, and the position effect also plays an important role in the optical ACs and RI changes of the anisotropic QD.

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