MQWs grown at different temperatures have the similar PL intensity and FWHM. A single ridge waveguide electroabsorption modulated DFB laser (DFB EML) is also fabricated with high quality MQW materials.

• 光致发光 (PL)测试表明 :在宽达 75 nm的波长范围内 ；MQW的质量与非选择生长的MQW质量相当 ；并成功制作出电吸收调制 DFB激光器 (EML) .