37.2 dB small-signal gain from Er/Yb Co-doped fiber amplifier with 20 mW pump power

被引：21
|
作者：
Harun, S. W. [1 ]
Abdul-Rashid, H. A.
Muhd-Yassin, S. Z.
Abd-Rahman, M. K.
Jayapalan, K. K.
Ahmad, H.
机构：
[1] Univ Malaya, Fac Engn, Dept Elect Engn, Kuala Lumpur 50603, Malaysia
[2] Multimedia Univ, Fac Engn, Cyberjaya, Malaysia
[3] Univ Teknol MARA, Fac Sci Appl, Shah Alam 40450, Malaysia
[4] Univ Malaya, Photon Lab, Dept Phys, Kuala Lumpur 50603, Malaysia
来源：
OPTICS AND LASER TECHNOLOGY | 2008年 / 40卷 / 01期
关键词：
EYDFA; Small signal gain amplifier; Er/Yb-doped fiber amplifier;
D O I：
10.1016/j.optlastec.2007.03.010
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
An efficient erbium-ytterbium-doped fiber amplifier (EYDFA) is demonstrated by forward and backward pumping a 3 in erbium/ytterbium co-doped fibers (EYDF) in single- and double-pass configurations using a 20 mW pump. At the input signal wavelength of 1536nm, the forward- and backward-pumped double-pass amplifiers achieved a maximum low-signal gain of 37.2 and 28.6dB and a corresponding noise figure of 5.4 and 10.8 dB, respectively. Whereas, the forward- and backward-pumped single-pass amplifiers (at the same wavelength) achieved a maximum low-signal gain of 20.0 and 22.2dB and a corresponding noise figure of 4.6 and 10.3dB, respectively. The double-pass design offers an economical solution to high-efficiency and high-gain optical amplifiers. (c) 2007 Elsevier Ltd. All rights reserved.
引用
收藏
页码：88 / 91
页数：4
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