Rastogi, Vipul; Chiang, Kin Seng; Akhmediev, Nail
We study numerically the propagation of short optical pulses in a nonlinear directional coupler that possesses significant intermodal dispersion. Using the split-step method with fast Fourier transform, we calculate the soliton solutions of such a coupler and highlight the effect of intermodal dispersion on the propagation dynamics of the pulses. We find that the intermodal dispersion has only a small effect on the shape of the soliton states, in spite of the fact that it can distort and break...[Show more]
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