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Optimized arrangement of vertical cavity surface emitting laser arrays to improve thermal characteristics

2020-01-09

 

Author(s): Qi, YX (Qi, Yuxuan); Li, W (Li, Wei); Liu, SP (Liu, Suping); Ma, XY (Ma, Xiaoyu)

Source: JOURNAL OF APPLIED PHYSICS Volume: 126 Issue: 19 Article Number: 193101 DOI: 10.1063/1.5117854 Published: NOV 21 2019

Abstract: An optimization method for an arrangement of vertical cavity surface emitting laser (VCSEL) arrays to improve thermal characteristics of the arrays is presented. The method is based on the principle of minimum potential energy and is implemented by a self-organizing algorithm. The thermal and electrical properties of the active regions of the unoptimized and optimized arrays were obtained by a self-consistent thermoelectric simulation of the VCSEL structure based on the finite element method. The output characteristics of the unoptimized and optimized 4 x 4 square VCSEL arrays were studied theoretically and practically. The results showed that the optimized arrays have improved thermal characteristics. Published under license by AIP Publishing.

Accession Number: WOS:000504091700001

ISSN: 0021-8979

eISSN: 1089-7550

Full Text: https://aip.scitation.org/doi/10.1063/1.5117854

 



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