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MOCVD生长AlGaInAs/InP多量子阱激光器
Authors
刘应军
朱天雄
+3 more
李灯熬
罗飚
贾华宇
Publication date
1 January 2018
Publisher
《光通信研究》编辑部
Doi
Cite
Abstract
为研制符合高线性大功率的应变多量子阱激光器,文章在理论上计算了应变补偿,实验选用了金属有机物化学气相沉淀(MOCVD)工艺来研制生长AlGaInAs应变补偿多量子阱结构,最终有源区采用了7组张压应变交替的势垒和势阱层。激光器样本芯片采用共面电极结构,使得激光器的工作电流无需通过衬底,从而降低了激光器工作电容,其电容与传统激光器相比得到相应地减小,提高了激光器的光电特性。实验室制作出了应变多量子阱激光器样本芯片,光荧光分析得出光致发光谱,激射波长为1 304nm;阈值电流为Ith≤9mA;单面斜率效率为0.44 W/A。测试结果表明该器件有良好的性能参数
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Last time updated on 26/01/2023