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Thermal characteristics of multiple laser stripes integrated into one chip is investigated theoretically in this paper. The temperature pattern of the laser diode mini-array packaged in a TO-can is analyzed and optimized to achieve a uniform temperature distribution among the laser stripes and along the cavity direction. The temperature among the laser stripes varies by more than 5 K if the stripes are equally arranged, and can be reduced to less than 0.4 K if proper arrangement is designed. For conventional submount structure, the temperature variation along the cavity direction is as high as 7 K, while for an optimized trapezoid submount structure, the temperature varies only within 0.5 K. 相似文献
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氮化镓(GaN)基蓝光和绿光激光器在投影显示、激光加工、激光照明、存储等领域具有重要的应用前景与广泛的市场需求.本文着重介绍了GaN基蓝光和绿光边发射激光器的技术难点和相应的解决方案.在GaN基蓝光与绿光激光器中,就制备高质量InGaN/GaN多量子阱、减少内部光学损耗、增加空穴注入效率等方面分别介绍了一些结构与工艺方面的优化方法.简要介绍了垂直腔面发射激光器(VCSEL)、分布式反馈激光器(DFB)的研究现状. 相似文献
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