The effects of self-heating on mid-IR interband cascade lasers grown on InAs substrates
Received:August 30, 2018  Revised:May 24, 2019  download
Citation:
Hits: 2880
Download times: 333
Author NameAffiliationE-mail
YU Cheng-Zhang Key Laboratory of Infrared Imaging Materials and Detector, Shanghai Institute of Technical PhysicsChinese Academy of Sciences yuchzh@shanghaitech.edu.cn 
XU Zhi-Cheng Key Laboratory of Infrared Imaging Materials and Detector, Shanghai Institute of Technical Physics
Chinese Academy of Sciences, Shanghai 200083, China 
 
CHEN Jian-Xin Key Laboratory of Infrared Imaging Materials and Detector, Shanghai Institute of Technical Physics
Chinese Academy of Sciences, Shanghai 200083, China 
jianxinchen@mail.sitp.ac.cn 
HE Li Key Laboratory of Infrared Imaging Materials and Detector, Shanghai Institute of Technical Physics
Chinese Academy of Sciences, Shanghai 200083, China 
 
Abstract:In this paper, InAs-based type-II interband cascade lasers operating at the mid-infrared range were fabricated and characterized. The maximum operating temperatures under pulsed and continuous wave (CW) operating mode were determined to be 275 K and 226 K, respectively. The threshold current density was around 17 A/cm2 at 80 K with an emission wavelength of approximate 3.8 μm. We analyzed the self-heating effects under CW mode and further simulated the temperature contour by the finite element method. The results indicate that the self-heating effect is a critical factor that limits the operating temperature under CW mode for our devices. Further optimization of the heat dissipation performance would be an effective way to raise the operating temperature of the devices.
View Full Text  HTML  View/Add Comment  Download reader

Copyright:《Journal of Infrared And Millimeter Waves》