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GaAs/GaAlAs量子阱激子能量调谐的新方法
Authors
徐仲英
李晴
+4 more
李树深
王建农
王玉琪
葛惟锟
Publication date
1 January 1999
Publisher
Abstract
用分子束外延技术(MBE)在GaAs量子阱中嵌入InAs亚单层,可以有效地改变量子阱的激子能量,从而达到波长调谐的目的。激子能量的调谐范围取决于量子阱宽度,并和InAs层厚度有关。利用有效质量近似,计算给出了能量调谐曲线,结果与实验符合较好。该文给出的结果提供了一种改变量子阱发光器件波长的新方法
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oai:ir.semi.ac.cn:172111/18923
Last time updated on 15/03/2019