| FUNDAMENTAL AREAS OF PHENOMENOLOGY(INCLUDING APPLICATIONS) |
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Thermal Analysis of Implant-Defined Vertical Cavity Surface Emitting Laser Array |
| XUN Meng1, XU Chen1**, XIE Yi-Yang2, DENG Jun1, XU Kun1, CHEN Hong-Da2 |
1Key Laboratory of Optoelectronics Technology (Ministry of Education), Beijing University of Technology, Beijing 100124
2State Key Laboratory of Integrated Optoelectronics, Institute of Semiconductor, Chinese Academy of Sciences, Beijing 100083
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| Cite this article: |
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XUN Meng, XU Chen, XIE Yi-Yang et al 2015 Chin. Phys. Lett. 32 014209 |
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Abstract A three-dimensional electrical-thermal coupling model based on the finite element method is applied to study thermal properties of implant-defined vertical cavity surface emitting laser (VCSEL) arrays. Several parameters including inter-element spacing, scales, injected current density and substrate temperature are considered. The actual temperatures obtained through experiment are in excellent agreement with the calculated results, which proves the accuracy of the model. Due to the serious thermal problem, it is essential to design arrays of low self-heating. The analysis can provide a foundation for designing VCSEL arrays in the future.
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Published: 23 December 2014
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| PACS: |
42.55.Px
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(Semiconductor lasers; laser diodes)
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61.72.up
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(Other materials)
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72.20.Pa
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(Thermoelectric and thermomagnetic effects)
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