首页|Nonlinear optical rectification of GaAs/Al?Ga1_ ?As quantum dots system with Hulth?en-Yukawa Potential
Nonlinear optical rectification of GaAs/Al?Ga1_ ?As quantum dots system with Hulth?en-Yukawa Potential
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NSTL
Elsevier
The impacts of structural parameters on the nonlinear optical rectification (NOR) coefficient in GaAs/Al eta Ga1_eta As quantum dots (QDs) with Hulthe ' n-Yukawa Potential (HYP) are explored in the reported work, including quantum dot radius, limiting potential depth, Al-concentration, hydrostatic pressure and temperature. The Nikiforov-Uvarov (N-U) method is used to solve the Schro center dot dinger equation corresponding to the restricted quantum dot system, at the same time, the subband energy level and the propagation wave function are obtained, the numerical expression of the NOR coefficient is calculated by using compact density matrix theory and iterative method. Last but not least, the results of data analysis show that these factors have an obvious influence on the nonlinear optical characteristics of the model system, it includes the change of peak value and the redshift or blueshift of coefficient formant.
NSTL
Elsevier
