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Quantum Beats of Fine-Structure States in InP Quantum Dots

机译:InP量子点中精细结构态的量子拍

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Different types of quantum beats were experimentally observed in the photoluminescence kinetics of semiconductor nanostructures with InP quantum dots characterized by strong inhomogeneous broadening of the optical transitions. Specific types of beats were selected by varying the magnitude and orientation of the magnetic field, the applied bias voltage, and the frequencies of the exciting and detected light. Parameters of the fine structure of electrons and holes in the system under study and characteristic relaxation times of the spin coherence are determined from the experimental data.
机译:在具有InP量子点的半导体纳米结构的光致发光动力学中,实验观察到了不同类型的量子拍,其特征在于光学跃迁的强烈不均匀展宽。通过改变磁场的大小和方向,施加的偏置电压以及激发光和检测光的频率来选择特定类型的拍子。根据实验数据确定所研究系统中电子和空穴的精细结构的参数以及自旋相干的特征弛豫时间。

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