Abstract: We put forward the concept of reconfigurable structures optically induced by mutually incoherent nondiffracting Bessel beams in Kerr-type nonlinear media. We address collinear couplers and X junctions and show how one can tune the switching properties of such structures by varying the intensity of the Bessel beams.

Keywords: Fiber optics and optical communications: Buffers, couplers, routers, switches, and multiplexers; Nonlinear optics, devices; Pulse propagation and temporal solitons.

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