Gain flattened wideband optical amplifiers are the basic devices which will meet a demand for the increase of the capacity of dense wavelength division multiplexing optical communication systems.

宽带增益平坦光放大器是密集波分复用光通信系统提高信息容量的基本需求。

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In this paper, the properties of ASE gain flattened of EDFA are studied based on energy level and particle number shifting of EDFA both theoretically and experimentally.

从理论和实验上研究了长周期光纤光栅用于掺铒光纤放大器自发发射谱增益平坦展宽的特性、自增益谱的荧光峰和可用带宽。

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Simulation results show that by using this iteration algorithm, the flattened gain can reach the possible highest value of the original amplifier, and noise penalty is the minimum.

模拟计算结果表明，用该方法得到的滤波谱能使放大器的增益平坦在原放大器可能得到的最高增益水平，同时因滤波器的引入带来的噪声特性恶化也最小。

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