Numerical studies on the compression and amplification of the fundamental soliton pulse using erbium-doped fiber amplifier
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1.
School of Physics, Southwest University, Chongqing 400715, China;
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2.
School of Science, Southwest University of Science and Technology, Mianyang 621002, China
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Corresponding author:
XIA Guang-qiong, gqxia@swnu.edu.cn
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Received Date:
2004-12-16
Accepted Date:
2005-03-19
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Abstract
Starting from the nonlinear Schrdinger equation describing the pulse propagation in erbium-doped fiber amplifier(EDFA),the compression and amplification of fundamental soliton pulse using EDFA are investigated numerically,and the optimum schemes for soliton pulse compression are proposed.The results show that:for the fundamental soliton pulse without the chirp,the pulse can be compressed and amplified adiabatically by selecting appropriate parameters of erbium-doped fibers;for the chirped fundamental soliton pulse,the process of the compression and amplification is not satisfied adiabatical condition;the effective compression and amplification can be obtained for the positive chirped fundamental soliton pulse,but the compression effect for the negative chirped fundamental soliton pulse is poor.
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