An exact analytical solution with Laguerre-Gaussian form is obtained .It is shown that the solution in the Gaussian form is the lowest-order mode.

• 厄米高斯型解和拉盖尔高斯型解都为高阶模传输光孤子解，但其所选择的坐标基不一样，使得高阶模孤子的特性也不同。