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Tunneling in semiconductor heterostructures studied by subpicosecond four‐wave mixing

 

作者: Karl Leo,   Jagdeep Shah,   Ernst O. Go¨bel,   Theo C. Damen,   Klaus Ko¨hler,   Peter Ganser,  

 

期刊: Applied Physics Letters  （AIP Available online 1990）
卷期: Volume 56, issue 20  

页码: 2031-2033

 

ISSN:0003-6951

 

年代: 1990

 

DOI:10.1063/1.103008

 

出版商: AIP

 

数据来源: AIP

 

摘要:

We apply time‐resolved four‐wave mixing as a novel tool to study resonant tunneling of carriers in semiconductor heterostructures. The polarization decay of excitons in a quantum well is much faster when the alignment of the electron levels in adjacent wells leads to resonant tunneling and subsequent scattering of the carriers.

 

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