Abstract
Both imaginary value off-axis solitons and imaginary value off-axis vortex solitons are analytically obtained in nonlocal nonlinear media. The imaginary value off-axis solitons can do the snakelike propagations resulting from that the soliton phase \(\Theta \) are period functions, and the propagation paths (including propagation directions and reverse points) of such solitons can be controlled by selecting the appropriate imaginary values b and c. Due to the position-changed vortex phase, the imaginary value off-axis vortex solitons revolve clockwise or counterclockwise along the controllable elliptical trajectories of different orientations depending on their imaginary off-axis shifts. The controllable vortexes may be used as optical tweezers and wrenches, and the controllable mass centers may have potential application in all-optical controlling.
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National Natural Science Foundation of China (NSFC) (11847078, 61501197).
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Wang, Q., Deng, Z. Controllable propagation path of imaginary value off-axis vortex soliton in nonlocal nonlinear media. Nonlinear Dyn 100, 1589–1598 (2020). https://doi.org/10.1007/s11071-020-05567-w
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DOI: https://doi.org/10.1007/s11071-020-05567-w