NECs EA MODULATOR INTEGRATED InGaAsP MQW DFB LASER DIODE IN BUTTERFLY PACKAGE WITH GPO CONNECTOR FOR 10 Gb/s DWDM APPLICATIONS邻舍EA调制器集成的InGaAsP多量子阱DFB激光二极管与GPO连接器BUTTERFLY包的10 Gb / s的DWDM应用