Time-to-space conversion of fast signals by the method of spectral nonlinear optics

We demonstrate time-to-space conversion of fast optical signals when using sum-frequency generation of spectral decomposition waves. Spatially decomposed optical spectra of ultrashort signal and reference pulses, having opposite directions of dispersion, are projected onto the nonlinear crystal. After sum-frequency generation and optical Fourier transform the image is formed that is the spatial analog of the signal pulse.

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