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- Based on the above background and under the support of tianjin natural science foundation project : intelligent fiber amplifiers and light sources , tianjin natural science foundation project : ( c + l ) broadband fiber amplifier and nankai - delta ( tianjin ) project : development of gain flattened erbium - doped fiber amplifiers , this dissertation is mainly focused on the study of novel gc - edfa , gain and nf ( noise figure ) improvement of edfa , light sources , multi - wavelength fiber laser and voa ( variable optical attenuator )
基于以上背景,在天津市重点基金项目? ?智能型光纤放大器和光源的研究、天津市重点基金项目? ? ( c + l )超宽带掺杂光纤放大器和南开-达尔泰(天津)项目? ?开发增益平坦的掺铒光纤放大器的支持下,本论文主要围绕新型gc - edfa 、 edfa性能的优化、增益控制用光源、多波长光纤激光器以及可调光衰减器等课题进行了理论和实验研究。 - Meanwhile , with the development of wdm / dwdm communication systems , more and more attention is paid on the edfas with broader bandwidth , good gain and noise feature , and gain clamping , etc . according to the tianjin natural science foundation project : intelligent fiber amplifiers and light sources , the tianjin natural science foundation project : ( c + l ) broadband fiber amplifier and the nankai - delta ( tianjin ) project : development of gain flattened erbium - doped fiber amplifiers , this dissertation is mainly focused on the study of novel gain - clamped edfa , light sources , multi - wavelength fiber laser and variable optical attenuator for gain - clamped usage , gain and noise improvement of edfa , and broadband edfa
Wdm / dwdm通信系统的发展又需要edfa具有更大的带宽、优良的增益和噪声特性和增益控制等功能。基于上面的情况,并结合天津市重点基金项目? ?智能光纤放大器光源的研究、天津市重点基金项目? ? ( c + l )超宽带掺杂光纤放大器和南开-达尔泰(天津)项目? ?开发增益平坦的掺铒光纤放大器等课题,论文主要围绕新型增益控制edfa 、增益控制用光源、多波长激光器及可调光衰减器、 edfa性能优化和超宽带edfa等方面进行了理论和实验研究。