Abstract: We present a brief overview of the physics of vector optical spatial solitons formed by an incoherent interaction of two optical beams in a medium with saturable nonlinearity and describe the families of two-mode vector spatial solitons, which appears via bifurcations of one-component solitons, and their bound states. We report the results of the experimental observations of bound states formed by two vector spatial solitons due to a force balance between the soliton components, and also demonstrate a link between such bound states and earlier reported multihump multi-mode optical solitons. !16
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