Di Han, Hu Zhang, Lixia Xi, Xiaoguang Zhang, Wenbo Zhang, Xianfeng Tang
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引用次数: 2
Abstract
A fiber amplifier with two-layer erbium-doped in photonic crystal fiber’s ring region was designed for orbital angular momentum mode-division multiplexing system. It can amplify 18 modes simultaneously while differential mode gain lower than 0.1dB.