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Mid-infrared electroluminescence in GaAs/AlGaAs structures

 

作者: G. Strasser,   P. Kruck,   M. Helm,   J. N. Heyman,   L. Hvozdara,   E. Gornik,  

 

期刊: Applied Physics Letters  （AIP Available online 1997）
卷期: Volume 71, issue 20  

页码: 2892-2894

 

ISSN:0003-6951

 

年代: 1997

 

DOI:10.1063/1.119329

 

出版商: AIP

 

数据来源: AIP

 

摘要:

Design, growth, and operation of an unipolar light emitting diode based on the material system GaAs/AlGaAs is reported. We present mid-infrared transmission, photocurrent, and electroluminescence measurements on a quantum cascade structure with intersubband transition energies greater than the optical phonon energy. Electroluminescence powers up to a few nanowatts at 6.9&mgr;m have been measured. ©1997 American Institute of Physics.

 

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