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A novel 3-stage structure for a low-noise, high-gain and gain-flattened L-band erbium doped fiber amplifier

✍ Scribed by Ze-xuan Qiang; Sai-ling He; Xu-liang Zhang; Lin-fang Shen


Book ID
111840036
Publisher
SP Zhejiang University Press
Year
2004
Tongue
English
Weight
334 KB
Volume
5
Category
Article
ISSN
1009-3095

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## Abstract A new double‐pass long‐wavelength‐band erbium‐doped fiber amplifier with enhanced noise figure characteristics is demonstrated by adding a short length of forward pumped erbium‐doped fiber (EDF) in front of the double‐pass amplifier. By adding 7 m of EDF, the amplifier achieves a flat‐g