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对不同色散光纤组成的光纤链在放大距离内的孤子传输进行了数值和实验研究，结果表明：不同的光纤组合有着不同的结果，因此在孤子传输时存在着合理地组合不同色散光纤的问题，而且即使同一根由不同色散光纤组成的光纤链，当入纤方向和出纤方向交换时，实现孤子传输所需要的能量及孤子传输的稳定性也是不一样的。
The numerical and experimental studies on the propagation of soliton in optical fiber chain with different dispersive optical fibers in the enlarged distance show that the different optical fiber combinations have different results. Therefore, there exists the problem of combining different dispersion optical fibers rationally when the soliton is transmitted. Moreover, even if the same optical fiber chain composed of different dispersion optical fibers is used, the energy required for the soliton transmission and the stability of the soliton transmission are also different when the fiber feeding direction and the fiber exiting direction are exchanged.