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Design and simulation of next-generation high-power, high-brightness laser diodes

机译：下一代大功率，高亮度激光二极管的设计与仿真

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High-brightness laser diode technology is progressing rapidly in response to competitive and evolving markets. The large volume resonators required for high-power, high-brightness operation makes their beam parameters and brightness sensitive to thermal- and carrier-induced lensing and also to multimode operation. Power and beam quality are no longer the only concerns for the design of high-brightness lasers. The increased demand for these technologies is accompanied by new performance requirements, including a wider range of wavelengths, direct electrical modulation, spectral purity and stability, and phase-locking techniques for coherent beam combining. This paper explores some of the next-generation technologies being pursued, while illustrating the growing importance of simulation and design tools. The paper begins by investigating the brightness limitations of broad-area laser diodes, including the use of asymmetric feedback to improve the modal discrimination. Next, tapered lasers are considered, with an emphasis on emerging device technologies for applications requiring electrical modulation and high spectral brightness.
机译：高亮度激光二极管技术正在迅速发展，以应对竞争激烈且不断发展的市场。高功率，高亮度工作所需的大体积谐振器使其光束参数和亮度对热和载流子引起的透镜以及多模工作敏感。功率和光束质量不再是设计高亮度激光器的唯一问题。对这些技术的需求增加伴随着新的性能要求，包括更宽的波长范围，直接电调制，光谱纯度和稳定性以及相干光束合并的锁相技术。本文探讨了一些正在追求的下一代技术，同时说明了仿真和设计工具的重要性日益提高。本文首先研究了广域激光二极管的亮度限制，包括使用非对称反馈来改善模态辨别力。接下来，考虑锥形激光器，重点放在新兴的设备技术上，以用于需要电调制和高光谱亮度的应用。

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