为了实现在纵向变化的参量控制下(2+1)维空间光孤子不稳定性的抑制,通过数值求解变系数(2+1)维非线性薛定谔方程,讨论了在参量控制下的(2+1)维空间光孤子.结果发现,一定的参量控制,即沿传播方向周期性改变的衍射参量和自聚焦效应参量可有效抑制(2+1)维空间光孤子的不稳定性.另外,进一步的数值计算表明,在一定参量控制下(2+1)维空间光孤子的传输对损耗,有限的扰动,如白噪声等不敏感.这表明参量控制的(2+1)维空间光孤子应该是稳定的.
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