The reflection of quadratic spatial solitons by a QPM engineered, quadratically nonlinear interface was observed for the first time. The reflection occurred at higher input intensities while for the low intensities the beam was transmitted.
© 2004 Optical Society of America
L. Jankovic, H. Kim, G. I. Stegeman, S. Carrasco, L. Torner, and M. Katz, "Soliton self-reflection at a quadratically nonlinear interface," in Nonlinear Guided Waves and Their Applications, Technical Digest on CD (Optical Society of America, 2004), paper TuC19.
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