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Nonlinear optical properties in a quantum well with the hyperbolic confinement potential

机译:具有双曲约束势的量子阱中的非线性光学性质

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摘要

We have performed theoretical calculation of the nonlinear optical properties in a quantum well (QW) with the hyperbolic confinement potential. Calculation results reveal that the transition energy, oscillator strength, second-order nonlinear optical rectification (OR), geometric factor and nonlinear optical absorption (OA) are strongly affected by the parameters (α, σ) of the hyperbolic confinement potential. And an increment of the parameter α reduces all these physical quantities, while an increment of the parameter σ enhances them, but not for geometric factor. In addition, it is found that one can control the optical properties of QW by tuning these parameters.
机译:我们已经对具有双曲约束势的量子阱(QW)中的非线性光学性质进行了理论计算。计算结果表明,双曲约束势的参数(α,σ)对跃迁能,振荡器强度,二阶非线性光学整流(OR),几何因数和非线性光学吸收(OA)有很大影响。参数α的增加会减少所有这些物理量,而参数σ的增加会增强所有这些物理量,但不是针对几何因子。另外,发现可以通过调节这些参数来控制QW的光学性质。

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