Miroshnichenko, AndreyKivshar, YuriVicencio, R. A.Molina, M. I.2016-05-182016-05-180146-9592http://hdl.handle.net/1885/101440We study resonant light scattering in arrays of channel optical waveguides where tunable quadratic nonlinearity is introduced as nonlinear defects by periodic poling of single (or several) waveguides in the array. We describe novel features of wave scattering that can be observed in this structure and show that it is a good candidate for the first observation of Fano resonance in nonlinear optics.© 2005 Optical Society of AmericaKeywords: Approximation theory; Interferometry; Light scattering; Mathematical models; Nonlinear optics; Nonlinear systems; Optical switches; Perturbation techniques; Resonance; Solitons; Spectrum analysis; Waveguide components; Fano resonance; Optical switching; S2004-10-2010.1364/OL.30.0008722016-06-14