Gromov E. M., Talanov V. I.
Institute of Applied Physics, Russian Academy of Science, 46 Uljanov Str., 603600 Nizhny Novgorod, Russia.
Chaos. 2000 Sep;10(3):551-558. doi: 10.1063/1.1290744.
The dynamics of short (of the order of a few wave periods) intense optical pulses and interaction of short optical solitons in fibers are considered within the framework of the third-order nonlinear Schrodinger equation. It is shown that an initial pulse tends to one or a few short solitons plus a linear quasiperiodic wave when the third-order linear dispersion and nonlinear dispersion have parameters of the same sign. The number and parameters of the solitons depend on the magnitudes of initial pulse parameters. Interaction of short optical solitons having different amplitudes is accompanied by radiation of part of the wave field from the area of interaction, by an increase of the soliton with larger amplitude, and a decrease of the soliton with a smaller one. (c) 2000 American Institute of Physics.
在三阶非线性薛定谔方程的框架内，研究了短（几个波周期量级）强光脉冲的动力学以及光纤中短光孤子的相互作用。结果表明，当三阶线性色散和非线性色散的参数具有相同符号时，初始脉冲趋向于一个或几个短孤子加上一个线性准周期波。孤子的数量和参数取决于初始脉冲参数的大小。具有不同振幅的短光孤子相互作用时，会伴随着部分波场从相互作用区域辐射出来，振幅较大的孤子增大，而振幅较小的孤子减小。（c）2000美国物理研究所。
