Title :
Heat dissipation consideration of high-power mid-infrared quantum cascade laser arrays
Author :
Chen, Xing ; Cheng, Liwei ; Guo, Dingkai ; Li, Jiun-Yun ; Choa, Fow-Sen
Author_Institution :
Dept. of CSEE, Univ. of Maryland, Baltimore, MD, USA
Abstract :
Heat dissipation issues are critical for quantum-cascade-laser (QCL) high-power operations. Simulation shows multi-emitter array can better dissipate heat than broad area laser does. QCL arrays with 5 and 16 elements are fabricated and results are presented.
Keywords :
III-V semiconductors; aluminium compounds; cooling; gallium arsenide; indium compounds; infrared sources; optical fabrication; quantum cascade lasers; semiconductor laser arrays; thermal conductivity; thermo-optical effects; InGaAs-InAlAs; QCL arrays; heat dissipation; high-power operations; midinfrared quantum cascade laser arrays; multiemitter array; thermal conducting ability; Current measurement; Density measurement; Heating; Power measurement; Quantum cascade lasers; Temperature measurement; Waveguide lasers;
Conference_Titel :
Lasers and Electro-Optics (CLEO), 2012 Conference on
Conference_Location :
San Jose, CA
Print_ISBN :
978-1-4673-1839-6
