Subhertz spectral fluctuations from high-density excitons in coupled quantum wells

被引：9
|
作者：
Negoita, V
Hackworth, D
Snoke, DW
Eberl, K
机构：
[1] Univ Pittsburgh, Dept Phys & Astron, Pittsburgh, PA 15260 USA
[2] Max Planck Inst Festkorperforsch, D-70506 Stuttgart, Germany
来源：
OPTICS LETTERS | 2000年 / 25卷 / 08期
关键词：
D O I：
10.1364/OL.25.000572
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
In 1994 Butov ct al. [Phys. Rev. Lett. 73, 304 (1994)] reported large, extremely low-frequency fluctuations in the luminescence intensity from indirect excitons in a coupled quantum well. Sire have reproduced these fluctuations in a similar structure. Our observations indicate, however, that, the fluctuations are spectral fluctuations rather than intensity fluctuations. We have eliminated several possible causes for the fluctuations and propose a possible cause. (C) 2000 Optical Society of America. OCIS codes: 300.6280, 300.6470, 190.3100, 190.4720, 190.5970, 270.1670.
引用
收藏
页码：572 / 574
页数：3
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