量子光学学报, 2008, 14 (1): 93, 网络出版: 2008-08-17  

加偏置电场量子阱中的电光效应

Electro-optical Effects in Electric Field Biased Quantum Wells
作者单位
佛山科学技术学院理学院物理系,广东,佛山,528000
摘要
利用量子力学中密度矩阵方法研究了加偏置电场的量子阱中电光效应的解析表达式,并以典型的GaAs量子阱为例进行了数值计算.研究结果表明,电光效应随偏置电场的增大和阱宽的减小而增强,通过调节阱宽和偏置电场的强度,在该系统中可以获得一个大的电光效应系数.
Abstract
By using the compact density matrix approach and the iterative methods, the electro-optical effects in e-lectric-field biased quantum wells have been theoretically investigated. Numerical result shows that the electro-optical effects increase with the enhancement of the applied electric field F and the well width decrease. A large electro-opti-cal effect can he obtained by adjusting the well width L and the applied field F.作者简介:谭鹏(1974-),男,湖南华容人,硕士,佛山科学技术学院教师,研究方向主要为低维量子系统中的非线性光学效应.E-mail: tanpeng@fosu.edu.cn
参考文献

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谭鹏, 李斌, 陈立冰. 加偏置电场量子阱中的电光效应[J]. 量子光学学报, 2008, 14(1): 93. 谭鹏, 李斌, 陈立冰. Electro-optical Effects in Electric Field Biased Quantum Wells[J]. Acta Sinica Quantum Optica, 2008, 14(1): 93.

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