Initial conditions 2 Nonlinear equations Amplitude threshold 1 Bright solitons 1 Cutoff frequency 1 Differential equations 1 Dispersion relations 1 Dust 1 Dust grain oscillations 1 Dusty plasma crystals 1 Dynamics 1 Electromagnetic wave propagation in plasma 1 Experimental techniques 1 Fiber systems 1 Four wave mixing 1 Four-wave-mixing 1 High-order 1 Higher-order 1 Interaction distances 1 Mixing dynamics 1 Optical fibers 1 Phase space methods 1 Phonon bands 1 Plasma theory 1 Propagation distances 1 Relative displacement 1 Semiconductor plasmas 1 Soliton solutions 1 Solitons 1 Travelling waves 1