Hu Yonggang, Yi Lilin, Chen Xianfeng. Experimental investigations of temperature-dependent characteristics of L-band EDFA gain-tilt[J]. 2012,(3):62-64.
Hu Yonggang, Yi Lilin, Chen Xianfeng. Experimental investigations of temperature-dependent characteristics of L-band EDFA gain-tilt[J]. 2012,(3):62-64. DOI: 10.13756/j.gtxyj.2012.03.010.
Practical L-band Erbium-Doped Fiber Amplifiers(EDFA) often adopt multi-stage Erbium-doped fiber and multi-pump lasers.In this paper
the temperature characteristic of an L-band EDFA with such a complex configuration is experimentally investigated.It is found that the gain spectra of the short-wavelength(about 1 570
1
582 nm) side of the L-band change with temperature in a reverse direction
which is theoretically explained.The experimental results show that there is still a good linear relationship between the Er-doped fiber temperature and the L-band EDFA gain tilt.Thus
the gain tilt of L-band EDFA can be adjusted by controlling the fiber temperature so as to achieve flattened gain.