TY - JOUR
T1 - Temporal dynamics of spatially localized waves in quadratic nonlinear waveguide arrays
AU - Setzpfandt, Frank
AU - Solntsev, Alexander S.
AU - Neshev, Dragomir N.
AU - Pertsch, Thomas
AU - Sohler, Wolfgang
AU - Schiek, Roland
PY - 2014/3/31
Y1 - 2014/3/31
N2 - We study experimentally and theoretically the temporal dynamics of laser pulses propagating under conditions of spatial self-focusing in quadratic nonlinear waveguide arrays made from periodically poled lithium niobate. We observed temporal pulse breakup and temporal pulse narrowing and studied the dynamics of these effects in different waveguides. We investigated the influence of the frequency dependence of the mode indices as a limiting factor for soliton formation. Our experimental results are in good agreement with the theoretical model developed from coupled-mode theory, providing a detailed understanding of pulse dynamics and beam distribution in waveguide arrays with quadratic nonlinearity.
AB - We study experimentally and theoretically the temporal dynamics of laser pulses propagating under conditions of spatial self-focusing in quadratic nonlinear waveguide arrays made from periodically poled lithium niobate. We observed temporal pulse breakup and temporal pulse narrowing and studied the dynamics of these effects in different waveguides. We investigated the influence of the frequency dependence of the mode indices as a limiting factor for soliton formation. Our experimental results are in good agreement with the theoretical model developed from coupled-mode theory, providing a detailed understanding of pulse dynamics and beam distribution in waveguide arrays with quadratic nonlinearity.
UR - http://www.scopus.com/inward/record.url?scp=84898069361&partnerID=8YFLogxK
U2 - 10.1103/PhysRevA.89.033863
DO - 10.1103/PhysRevA.89.033863
M3 - Article
SN - 1050-2947
VL - 89
JO - Physical Review A - Atomic, Molecular, and Optical Physics
JF - Physical Review A - Atomic, Molecular, and Optical Physics
IS - 3
M1 - 033863
ER -