IQE （英国、美国） VPEC全新 （台湾） SCIOCS (Sumitomo ) SMM （上海有色网站） 汇思光电 (量子点 MBE 外延片,湖南长沙)

The fabrication of **InP-based Electroabsorption Modulated Lasers (EMLs)** and **Distributed Feedback (DFB) lasers** involves a series of highly specialized processes to achieve precise control over optical and electrical properties. These devices are critical for high-speed optical communication systems (e.g., telecom,…