掺铒光纤放大器的理论设计

掺铒光纤放大器的理论设计 THEORETICAL DESIGN OF Er-DOPED FIBER AMPLIFIER 陈聪 Chen Cong 1 first-author 李承芳 Li Chenfang 1 李宝其 Li Baoqi 1 武汉大学物理学系 武汉大学物理学系 Department of Physics, Wuhan University Department of Physics, Wuhan University 利用模场的高斯近似分布求解掺铒光纤放大器（ＥＤＦＡ）的速率方程组，得出单模光泵浦放大单模信号光时的增益表达式，并利用它研究信号增益和光纤主要参数间的关系．本文可用于指导ＥＤＦＡ的设计． Using Gaussian approximation of mode field, the analytical solution of the rate equations that describe an Er-doped fiber amplifier （EDFA） is investigated, and a formula of signal gain isobtained for single-mode pump in the case of small signal power. With this formula, it’s easy to find the relations between signal gum and the main parameters Of fiber. This analysiS can facilitated the design of EDFA. 掺铒光纤放大器 高斯近似 最佳长度 信号增益 EDFA Gaussian approximation optimum length Signal gain TN722 国家自然科学基金(61672102) 1994-03-01 2021-04-01 3