Wave propagation in a nonlinear meduim

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Wave propagation in an nonlinear medium (Kerr type).

Applet parameters :
W.L. : wavelength
NL : non linear coefficent NL=0: linear medium, NL=1 : nonlinear medium
W : gaussian width of the input field
P : input power
Length : Length of the computation window
Z : position of the transverse cut profile