Observation of nonlinear Airy-like beam evolution in lithium niobate.
We report the observation of Gaussian beam fragmentation into Airy-like waveforms during nonlinear propagation. The effect is supported by the high-intensity photovoltaic nonlinearity arising in unbiased pure congruent lithium niobate. The process is found to occur when the nonlinear response is dominated by the nonlocal effects associated with the charge-displacement process.
Parravicini
Jacopo
J
CNISM and Dipartimento di Elettronica, Università degli Studi di Pavia Via Ferrata 1, 27100 Pavia, Italy. jacopo.parravicini@unipv.it
Minzioni
Paolo
P
Degiorgio
Vittorio
V
Delre
Eugenio
E