The high-resolution spatiotemporal (ST) three-dimensional mapping (3DM) technique was used to investigate wave packet at output of X crystal. The sum-frequency generation was probed with 20-fs compressed pulse which revealed X-type wave shape. The nonlinear X waves were found to be stationary localized wave packets which play key role in ST dynamics to focus media with normal group-velocity dispersion (GVD). The X-type or conical-like shape of wave packet was formed at trailing edge of pulse.
Spatiotemporal three-dimensional mapping of nonlinear X waves
JEDRKIEWICZ, OTTAVIA;DI TRAPANI, PAOLO;
2004-01-01
Abstract
The high-resolution spatiotemporal (ST) three-dimensional mapping (3DM) technique was used to investigate wave packet at output of X crystal. The sum-frequency generation was probed with 20-fs compressed pulse which revealed X-type wave shape. The nonlinear X waves were found to be stationary localized wave packets which play key role in ST dynamics to focus media with normal group-velocity dispersion (GVD). The X-type or conical-like shape of wave packet was formed at trailing edge of pulse.
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