Experimentally, A EDFA with gain of 37dB and NF of 4dB is archived. Due to the application of the LPFG noise filter, the gain of the EDFA is improved by 7dB, and the noise figure(NF) is reduced by 0.5dB.

• 实验上；在铒纤中插入LPFG后；获得了小信号一个增益高达37dB和噪声系数(NF)为4dB的EDFA；使EDFA的增益被提高了约7dB；噪声系数降低了约0.；5dB