Hasegawa-Tappert 1973 / Mollenauer-Stolen-Gordon 1980 optical soliton in a single-mode fibre: the cubic nonlinear Schrödinger equation i∂_z A = (β₂/2)∂²_t A − γ|A|²A supports bright-soliton solutions A_1(z,t) = η·sech(ηt) e^{iη²z/2} when…
Hasegawa-Tappert 1973 / Mollenauer-Stolen-Gordon 1980 optical soliton in a single-mode fibre: the cubic nonlinear Schrödinger equation i∂_z A = (β₂/2)∂²_t A − γ|A|²A supports bright-soliton solutions A_1(z,t) = η·sech(ηt) e^{iη²z/2} when…