Line Broadening of Photoluminescence Excitation Resonances in Single Self-Assembled Quantum Dots
Line Broadening of Photoluminescence Excitation Resonances in Single Self-Assembled Quantum Dots
复制标题
单个自组装量子点中光致发光激发共振的谱线展宽
DOI：
10.1143/jjap.41.l1464
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发表时间：
2002
影响因子：
1.5
通讯作者：
Y. Arakawa
中科院分区：
文献类型：
--
作者：
Y. Toda;S. Kako;M. Nishioka;Y. Arakawa
研究了单个自组装量子点在多声子能区的光致发光激发共振。几个多声子共振在饱和条件下表现出倾斜结构，而相应的双激子共振有一个尖锐的线宽。所观察到的倾角结构和负相关的双激子共振表明，光致发光的激发共振包括线加宽的几个弛豫速率不同的弛豫路径组成。
Photoluminescence excitation resonances in the multiphonon energy region of single self-assembled quantum dots are investigated. Several multiphonon resonances exhibit dip structures under the saturation condition, whereas the corresponding biexciton resonances have a sharp linewidth. The observed dip structures and inversely correlated biexciton resonances suggest that the photoluminescence excitation resonances include line broadening consisting of several relaxation pathways with different relaxation rates.