Fig. 2: THz data and buildup plots for sample III. | Light: Science & Applications

Fig. 2: THz data and buildup plots for sample III.

From: Enhancement of THz generation in LiNbO3 waveguides via multi-bounce velocity matching

Fig. 2

a Space-time plot of raw data. b Dispersion plot obtained by 2D Fourier transform of data in (a). Calculated dispersion curves for TE0, TE1 and TE2 dielectric waveguide modes are shown by the dashed curves. White arrows indicate spectral modulations caused by backward-propagating THz waves. c Surface plot of THz buildup. d 2D plot of THz buildup with selected probe positions shown. Reference shown in black

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