1.55 um EA MODULATOR INTEGRATED DFB-LD MODULE (7 PIN PACKAGE WITH K CONNECTOR, 10GB/s DIGITAL APPLICATION) 1.55微米EA调制器集成半导体激光器模块(与K 7针连接器10GB的包 s的数字应用) 1.55 um EA MODULATOR INTEGRATED DFB-LD MODULE (7 PIN PACKAGE WITH K CONNECTOR/ 10GB/s DIGITAL APPLICATION)