高性能中红外量子级联激光器的热分析

2009 9th International Conference on Numerical Simulation of Optoelectronic Devices Pub Date : 2009-10-30 DOI:10.1109/NUSOD.2009.5297207

H. K. Lee, J. S. Yu

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引用次数: 1

摘要

从理论上研究了λ ~ 4.6 μm波长下基于InGaAs/AlInAs/InP材料的量子级联激光器的热特性。利用稳态二维(2D)热耗散模型，得到了不同几何形状器件的最大内部温度、热流模式和热导率。随着散热器温度的升高，内部最高温度也随之升高。采用金刚石衬底和InP波导的10 μm × 4 mm激光器在室温下获得了高导热系数Gth = 619.7 W/K-cm2。

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Thermal analysis of high-performance mid-infrared quantum cascade lasers

We investigated theoretically the thermal characteristics of quantum cascade lasers (QCLs) based on InGaAs/AlInAs/InP materials operating at λ ~ 4.6 μm. By using a steady-state two dimensional (2D) heat dissipation model, the maximum internal temperature, heat flow pattern, and thermal conductance were obtained for the different device geometries with epilayer-up and down bonding scheme. As the heatsink temperature increases, the maximum internal temperature increases. For 10 μm × 4 mm epilayer-down bonded laser with diamond submount and InP waveguide, a high thermal conductance of Gth = 619.7 W/K-cm2 at room temperature was obtained.

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2009 9th International Conference on Numerical Simulation of Optoelectronic Devices

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