Reconfigurable directional couplers and junctions optically induced by nondiffracting Bessel beams
Zhiyong Xu, Yaroslav V. Kartashov, Victor A. Vysloukh, Lluis Torner
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 the switching properties of such structures can be tuned by varying the intensity of the Bessel beams.
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