超过100%差分量子效率的氮化镓双极级联激光器

2021 International Conference on Numerical Simulation of Optoelectronic Devices (NUSOD) Pub Date : 2021-09-13 DOI:10.1109/NUSOD52207.2021.9541524

J. Piprek, M. Siekacz, G. Muzioł, C. Skierbiszewski

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引用次数: 0

摘要

世界范围内的研究工作一直集中在提高氮化镓基发光器件的量子效率上。一个有希望的方法是通过隧道结分离多个活动区域，使电子-空穴对产生多个光子。利用先进的数值器件模拟，我们在这里分析了最近显示出优越斜率效率的InGaN/GaN双极级联激光器的内部物理和性能限制。

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GaN-based bipolar cascade laser exceeding 100% differential quantum efficiency

Worldwide research efforts have been focusing on quantum efficiency enhancements of GaN-based light emitters. A promising approach is the separation of multiple active regions by tunnel junctions, enabling electron-hole pairs to generate more than one photon. Utilizing advanced numerical device simulation, we here analyze internal physics and performance limitations of such InGaN/GaN bipolar cascade laser which recently demonstrated superior slope efficiency.

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2021 International Conference on Numerical Simulation of Optoelectronic Devices (NUSOD)

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