Published in
Nonlinear Optics
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Nonlinear evolution of laser pulses in lithium niobate waveguide arrays
Proceedings article published in 2011 by
Frank Setzpfandt,
Andrey A. Sukhorukov 
,
Dragomir N. Neshev,
Roland Schiek,
Alexander S. Solntsev,
Falk Eilenberger,
Stefano Minardi,
Raimund Ricken,
Yoohong Min,
Wolfgang Sohler,
Yuri S. Kivshar,
Thomas Pertsch
,
Dragomir N. Neshev,
Roland Schiek,
Alexander S. Solntsev,
Falk Eilenberger,
Stefano Minardi,
Raimund Ricken,
Yoohong Min,
Wolfgang Sohler,
Yuri S. Kivshar,
Thomas Pertsch
Abstract
We study experimentally and numerically the spatiotemporal evolution of short pulses in quadratic nonlinear waveguide arrays with coupled second-harmonic modes, revealing complex spectral transformations involving generation of new frequency components at the Brillouin zone edge.