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Quantum well avalanche multiplication initiated by 10 &mgr;m intersubband absorption and photoexcited tunneling

 

作者: B. F. Levine,   K. K. Choi,   C. G. Bethea,   J. Walker,   R. J. Malik,  

 

期刊: Applied Physics Letters  （AIP Available online 1987）
卷期: Volume 51, issue 12  

页码: 934-936

 

ISSN:0003-6951

 

年代: 1987

 

DOI:10.1063/1.98806

 

出版商: AIP

 

数据来源: AIP

 

摘要:

We have achieved avalanche gain at a wavelength of 10.3 &mgr;m in AlxGa1−xAs/GaAs quantum well superlattices. The photoelectrons are generated by resonant intersubband absorption and tunneling, and then avalanche via hot‐electron impact ionization of carriers out of the quantum wells. Good agreement is obtained between a theoretical calculation of this process and our experiments.

 

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