Steering and switching of soliton-like beams via interaction in a nanocolloid with positive polarizability
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We unveil different regimes for the interaction between two orthogonally polarized soliton-like beams in a colloidal suspension of nanoparticles with positive polarizability. The interaction is always attractive. However, it noticeably changes as a function of the angle and the power distribution between the input beams. For small angles, both interacting solitons fuse into a single entity, whose propagation direction can be continuously steered. As the interaction angle increases, the resulting self-collimated beam can be practically switched between two positions when the power imbalance between the beams is changed. For interaction angles larger than ~10°~10°, the result is no longer a single emerging soliton when the input power is balanced between the two beams.
CitationSalazar, M., Ayala, Y., Brambila, E., Lopez, L., Sciberras, L., Minzoni, A., Terborg, R., Juan P. Torres, Volke-Sepulveda, K. Steering and switching of soliton-like beams via interaction in a nanocolloid with positive polarizability. "Optics letters", 1 Juliol 2017, vol. 42, núm. 13, p. 2487-2490.