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《Semiconductor Optoelectronics》 2002-01
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Optimal Design of Gain-flattened EDFA in C Band

XUE Zi xing, LU Guo wei, LIN Ru jian (Communication Engineering Department, Shanghai University, Shanghai 200072, CHN)  
The performance of DWDM system is strictly limited by flatnessless of the gain of EDFA. Many approaches are put forward to flatten the gain in the whole C band.A kind of dual stage structure with a gain equalization filter between fibers is presented.The length of two EDFs is optimized to make the transmission spectrum of gain equalization filter easy to be realized.The optimized total output is 17 dBm with gain fluctuation of 1 dB in the entire band of 1 530~1 565 nm,and noise figure of below 5 dB.
【CateGory Index】: TN722
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【References】
Chinese Journal Full-text Database 1 Hits
1 CHEN Hui,ZHU Yi-qing,ZHAO Lan-lan(School of Science,Jiangnan University,Wuxi 214122,Jiangsu,China);Effect of Input Signal Power on EDFA Gain Slope[J];Optical Fiber & Electric Cable and Their Applications;2011-01
【Co-references】
Chinese Journal Full-text Database 10 Hits
1 CHEN Hai yan 1,2 , LIU Yong zhi 1, DAI Ji zhi 1, GUAN Zhou guo 1,3 , ZHOU Yuan qing 1 (1. Dept. of Optoelectronic Technol.,Univ.of Elec.Sci.and Technol.of China,Chengdu 610054,China; 2. Dept. of Mathematics and Physics,Jianghan Petrol;Gain Characteristics of Erbium-doped Silica Glass Optical Waveguide Amplifiers Pumped at 980 nm Wavelength[J];Semiconductor Optoelectronics;2001-06
2 XU Kun,ZHOU Guang-tao,WU Jian,LIN Jin-tong (Optical Communication Center, Beijing University of Posts and Telecommunications, Beijing 100876, China);Comparisons of High Speed Optical Modulation Formats Using LiNbO_3 Optical Waveguide Modulators[J];Journal of Beijing University of Posts and Telecommunications;2004-04
3 ZHANG Hui-jian,ZUO Meng,GU Wan-yi(Optical Communication Center,Beijing University of Posts and Telecommunications,Beijing 100876,China);Noise Analysis for Direct Detection Optical Receivers[J];Journal of Beijing University of Posts and Telecommunications;2006-01
4 LIU Jian-hui, JIN Ming-di College of Information Technology, Liaodong University, Dandong 118003 , China;Study on wide band gain - flattened erbium - doped fiber amplifier[J];Dandong Textile College;2005-03
5 Zhang Xiaojun Chen Haiyan Liu Yongzh (Dept.of Opto-electronic Technology, UEST of China Chengdu 610054);Effect of Overlapping Factors on Gain Characteristics of Erbium-doped Optical Waveduide Amplifiers[J];Journal of University of Electronic Science and Technology of China;2001-03
6 YANG Zhu (Wuhan Research Institute of Posts and Telecommunications,Wuhan 430074,China);Ultra-long span non-repeater optical transmission technologies and applications[J];Telecommunications For Electric Power System;2005-05
7 YU Zhang-wei~1,ZHANG Xu-liang ~1,JIN Ru-xiang ~2,HUANG Jun-hua ~3 (1.Center for Optical and Electromagnetic Research, Zhejiang University,Hangzhou 310027,China; 2.Lightelli Corporation,Shanghai 201614,China; 3.Tongguang Group Co.,Ltd, Shanghai 200122,China);Scheme for ultra-long span optical fiber communication system[J];Telecommunications For Electric Power System;2005-05
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