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Chin. Phys. B, 2017, Vol. 26(6): 064204    DOI: 10.1088/1674-1056/26/6/064204
ELECTROMAGNETISM, OPTICS, ACOUSTICS, HEAT TRANSFER, CLASSICAL MECHANICS, AND FLUID DYNAMICS Prev   Next  

Enhanced thermal stability of VCSEL array by thermoelectric analysis-based optimization of mesas distribution

Chu-Yu Zhong(钟础宇)1,2, Xing Zhang(张星)1, Di Liu(刘迪)3, Yong-Qiang Ning(宁永强)1, Li-Jun Wang(王立军)1
1 State Key Laboratory of Luminescence and Applications, Changchun Institute of Optics, Fine Mechanics and Physics, Changchun 130033, China;
2 University of Chinese Academy of Sciences, Beijing 100049, China;
3 Hi-Tech Optoelectronics Co., Ltd., Beijing 102206, China
Abstract  

The thermal stability of a vertical-cavity surface-emitting laser (VCSEL) array is enhanced by redesigning the mesa arrangement. Based on a thermoelectric coupling three-dimensional (3D) finite-element model, an optimized VCSEL array is designed. The effects of this optimization are studied experimentally. Power density characteristics of VCSEL arrays with different mesa configuration are obtained under different thermal stress in which the optimized device shows improved performance. Optimized device also shows better stability from measured spectra and calculated thermal resistances. The experimental results prove that our simulation model and optimization is instructive for VCSEL array design.

Keywords:  VCSEL array      mesa arrangement optimization      thermal stability  
Received:  20 December 2016      Revised:  08 March 2017      Accepted manuscript online: 
PACS:  42.55.Px (Semiconductor lasers; laser diodes)  
  42.60.Da (Resonators, cavities, amplifiers, arrays, and rings)  
  42.60.Lh (Efficiency, stability, gain, and other operational parameters)  
Fund: 

Project supported by the National Natural Science Foundation of China (Grant Nos. 61434005, 61474118, 61376070, 11404326, and 11674314), the Jilin Provincial Scientific and Technological Development Program, China (Grant No. 20150203011GX), the Changchun Science and Technology Project, Jilin Province, China (Grant No. 15SS02), and the Youth Innovation Promotion Association, Chinese Academy of Sciences (Grant No. 2017260).

Corresponding Authors:  Xing Zhang     E-mail:  zhangx@ciomp.ac.cn

Cite this article: 

Chu-Yu Zhong(钟础宇), Xing Zhang(张星), Di Liu(刘迪), Yong-Qiang Ning(宁永强), Li-Jun Wang(王立军) Enhanced thermal stability of VCSEL array by thermoelectric analysis-based optimization of mesas distribution 2017 Chin. Phys. B 26 064204

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