Enhanced spontaneous emission using quantum dots and an apertured microcavity

被引：39
|
作者：
Deppe, DG [1 ]
Graham, LA [1 ]
Huffaker, DL [1 ]
机构：
[1] Univ Texas, Microelect Res Ctr, Dept Elect & Comp Engn, Austin, TX 78712 USA
来源：
IEEE JOURNAL OF QUANTUM ELECTRONICS | 1999年 / 35卷 / 10期
关键词：
D O I：
10.1109/3.792581
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
Spontaneous emission characteristics from apertured microcavities are studied using quantum-dot light emitters. Spatial averaging over the emitter positions within the apertures significantly impacts the measured lifetime changes, but lifetime changes due to the aperture modes are still readily observed. A maximum increase of a factor of similar to 2.5 over the cavity-free emission rate is measured. We argue that, for a narrow bandwidth emitter, the microcavity enhancement ran lead to nearly-single-mode and high-speed operation even in the spontaneous regime.
引用
收藏
页码：1502 / 1508
页数：7
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