Abstract
The effect of the inhomogeneity gradient in a large-aperture class A laser with a saturable absorber on the transverse motion of dissipative solitons and their clusters in the laser cavity is analytically and numerically studied. A soliton with a nonzero topological charge is found to move rectilinearly in the steady-state regime but in a direction that differs from the direction of the cavity length gradient, which is connected with a nontrivial internal structure of the soliton. The steady-state motion of soliton clusters can be curvilinear, including translational and rotational motions of their center.
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Original Russian Text © N.N. Rosanov, S.V. Fedorov, A.N. Shatsev, 2008, published in Zhurnal Éksperimental’noĭ i Teoreticheskoĭ Fiziki, 2008, Vol. 133, No. 3, pp. 532–543.
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Rosanov, N.N., Fedorov, S.V. & Shatsev, A.N. Motion of dissipative solitons in a laser cavity with a smooth transverse inhomogeneity. J. Exp. Theor. Phys. 106, 459–469 (2008). https://doi.org/10.1134/S1063776108030060
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DOI: https://doi.org/10.1134/S1063776108030060