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基于内插隔离－耦合环两段级联新结构，采用９８０ｎｍ与１４８０ｎｍ激光二极管混合泵浦方式，研制出在１．５５μｍ波段兼具高增益（４２．８ｄＢ）、大功率（１５．２ｄＢｍ）、低噪声系数（４．４ｄＢ）特性的掺铒光纤放大器
Based on the new structure of two stages of cascaded isolation and coupling loops, a 980nm and 1480nm laser diode hybrid pumping system was used to develop a high-gain (42.8dB), high power (15.2dBm) Erbium-doped fiber amplifier with low noise figure (4.4dB)