Laboratory of Mechanics;
Department of Physics;
Faculty of Sciences;
University of Yaounde I;
Yaounde;
Cameroon;
Nonlinear Physics and Complex Systems Group;
Department of Physics;
The Higher Teachers’Training College;
University of Yaounde I;
Yaounde;
Cameroon;
Two-Dimensional Nonlinear Schrodinger Equation; Exact Transverse Solution; Stability; Modulational Instability;