对于零色散波长大于1.55μm的色散移位光纤，暗孤子的放大周期比亮孤子的放大周期大一倍。
In the λ > 1 . 55 μ m dispersion-shift fibre , the amplification period of dark solitons is as twice as bright soliton 's.
色散移位光纤色散移位光纤色散移位光纤