In this study, we have carried out a theoretical investigation of CdSe/ZnSe core/shell spherical quantum dot (CSQD) embedded in different dielectric matrix. The effect of surrounding matrix and the external electric field on the linear and third-order nonlinear real and imaginary parts of the dielectric function have been simulated numerically using the effective mass approximation and taking into account the compact density matrix approach. The electronic band structure and corresponding wave functions were calculated by solving the Schrdinger equation in the framework evoked previously. The study revealed a significant blue shift of the transition energies under electric field offering the possibility of adjusting them. In addition, by varying the dielectric matrices enveloping our main structure, it was also found that the choice of the pattern of the matrix is fundamental for the manipulation of the resonance peak energies of the dielectric function.

在这项研究中，我们对嵌入不同介电基质中的 CdSe/ZnSe 核/壳球形量子点 (CSQD) 进行了理论研究。周围矩阵和外部电场对介电函数的线性和三阶非线性实部和虚部的影响已经使用有效质量近似并考虑紧凑密度矩阵方法进行了数值模拟。电子能带结构和相应的波函数是通过求解先前提出的框架中的薛定谔方程来计算的。该研究揭示了电场下过渡能的显着蓝移，提供了调整它们的可能性。此外，通过改变包围我们主要结构的介电矩阵，