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Generation of a surface‐acoustic‐wave correlation echo from coupling to charge carriers

 

作者: R.L. Gunshor,   C.W. Lee,  

 

期刊: Applied Physics Letters  （AIP Available online 1972）
卷期: Volume 21, issue 1  

页码: 11-12

 

ISSN:0003-6951

 

年代: 1972

 

DOI:10.1063/1.1654194

 

出版商: AIP

 

数据来源: AIP

 

摘要:

A forward‐propagating surface‐acoustic‐wave signal interacts with a pump field applied to a nearby semiconductor. The result is the generation of a backward‐propagating ``echo'' whose envelope is the correlation of the signal and the pump. The echo is 25 dB down from signal for the pump power used.

 

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