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Low‐power, all‐optical nonlinear absorption in asymmetric double quantum wells

 

作者: P. Dawson,   I. Galbraith,   A. I. Kucharska,   C. T. Foxon,  

 

期刊: Applied Physics Letters  （AIP Available online 1991）
卷期: Volume 58, issue 25  

页码: 2889-2891

 

ISSN:0003-6951

 

年代: 1991

 

DOI:10.1063/1.104738

 

出版商: AIP

 

数据来源: AIP

 

摘要:

We demonstrate all‐optical nonlinearities at low cw pump powers (50 W/cm2) using a novel heterostructure design which spatially separates photoexcited electron‐hole pairs. Theoretical calculations based on many‐body interactions are in good agreement with the measured spectra.

 

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