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Low-threshold quasi-cw type-II quantum well lasers at wavelengths beyond 4 &mgr;m

 

作者: Chih-Hsiang Lin,   S. S. Pei,   H. Q. Le,   J. R. Meyer,   C. L. Felix,  

 

期刊: Applied Physics Letters  （AIP Available online 1997）
卷期: Volume 71, issue 22  

页码: 3281-3283

 

ISSN:0003-6951

 

年代: 1997

 

DOI:10.1063/1.120313

 

出版商: AIP

 

数据来源: AIP

 

摘要:

Optically pumped InAs/InGaSb/InAs/AlSb type-II quantum well lasers emitting from 4.1 to 4.36 &mgr;m were operated up to 226 K with a characteristic temperatureT0of 30 K. The absorbed threshold pump intensity at 0.98 &mgr;m was0.12 kW/cm2at 100 K, and3.25 kW/cm2at 200 K with a pulse length of 5 &mgr;s and a repetition rate of 2 kHz. At 73 K, the peak output power was 250 mW per facet with a pulse length of 10 &mgr;s and a repetition rate of 10 kHz. A cw output power of 14.7 mW was observed at 74 K. ©1997 American Institute of Physics.

 

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