Phase transition of discrete quadratic solitons


We predict theoretically and observe experimentally an abrupt power-controlled transition from unstaggered to staggered second harmonic phase profiles of discrete solitons with linear second harmonic coupling in periodically poled waveguide arrays.

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@article{Setzpfandt2010PhaseTO, title={Phase transition of discrete quadratic solitons}, author={Frank Setzpfandt and Andrey A Sukhorukov and Dragomir N Neshev and Roland Schiek and Andreas Tux0308nnermann and Thomas Pertsch}, journal={CLEO/QELS: 2010 Laser Science to Photonic Applications}, year={2010}, pages={1-2} }