A Study of Temperature Effect on Erbium-Doped Fiber Amplifiers

• Main Authors: Ming-Chung Chiang, 江閔聰
• Other Authors: Cheng-Kuang Liu
• Format: Others
• Language: zh-TW
• Published: 1996
• Online Access: http://ndltd.ncl.edu.tw/handle/56561522876047316304

碩士 === 國立臺灣科技大學 === 電子工程學系 === 84 === The temperature dependence of singal characteristics in Erbium- doped fiber amplifiers(EDFAs) is studied in the thesis. From the rate equation, the gain of erbium-doped fiber amplifier with a 1552nm signal source and with a 980nm pump source has been analyzed over the tempetature range -40℃ to 80℃. The characteristics can be modelled using temperature dependent emission and absorption cross section data. It is found that the change of EDFA's gain with temperature is strongly dependent on the fiber length. No significant change in the optimun fiber length with temperature is found. The effect of temperature in fiber-fiber joints in EDFAs is also studied. Experiments are performed for 980nm source with the different powers and output singal powers at the different wavelengths. A temperature responsivity of 0.023dB/℃ is obtained for a 12m EDF with a 980nm pump. Thus, the EDFA can play a role in sensing.