摘要
A high power and low distortion 1.31 μm AlGaInAs/InP multiquantum well distributed feedback laser diode (MQW DFB LD) with RWG structure has been developed by MOCVD technique. The fiber output power of butterfly packaged module with optic isolator P f is more than 10 mW, threshold current is in the range of (13～20) mA, slope efficiency, E s>0.30 W/A and side mode suppression ratio, R S,M,S >35 dB. The composite second order, O C,S <-61 dBc and composite triple beat, B C,T <-65 dBc are obtained by test frequencies of (45～550) MHz with 60 PAL channels. In the test conditions the carrier to noise ratio, R C,N >51 dB.
１ＩｎｔｒｏｄｕｃｔｉｏｎＬｏｎｇｈａｕｌｏｐｔｉｃａｌｆｉｂｅｒｃｏｍｍｕｎｉｃａｔｉｏｎ，ｍｕｌｔｉ－ｃｈａｎｎｅｌｔｒａｎｓｍｉｓｉｏｎａｎｄｏｐｔｉｃａｌｆｉｂｅｒＣＡＴＶｓｙｓｔｅｍｒｅｑｕｉｒｅ１．３１μｍａｎｄ１．５５μｍＤＦＢｌａｓｅ...
