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量子阱平面光学各向异性的偏振差分反射谱研究
Authors
叶小玲
王占国
陈涌海
Publication date
1 January 2002
Publisher
Abstract
在室温下用偏振差分反射谱技术观察到了GaAs/AlGs、InGaAs/GaAs和InGaAs/InP三种量子阱材料的平面光学各向异性。我们发现GaAs/AlGaAs量子阱1h→1e跃迁的偏振度与阱宽成反比,与InGaAs/InP量子阱的报道结果类似。Ga原子偏析引起的界面不对称可以很好地解释这种行为。与之相反,InGaAs/GaAs量子阱的光学各向异性倾向于与阱宽成正比,目前还不能很好地解释这种现象
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Last time updated on 29/11/2016