Bang, OleSukhorukov, AndreyKivshar, Yuri2015-12-132015-12-130031-9007http://hdl.handle.net/1885/93484We analyze second-harmonic generation (SHG) at a thin effectively quadratic nonlinear interface between two linear optical media. We predict multistability of SHG for both plane and localized waves, and also describe two-color localized photonic modes composed of a fundamental wave and its second harmonic coupled together by parametric interaction at the interface.19992015-12-12