Fig. 5: Experimental demonstration of the unidirectional-bidirectional-unidirectional DNN imager. | Nature Communications

Fig. 5: Experimental demonstration of the unidirectional-bidirectional-unidirectional DNN imager.

From: Polarization-selective unidirectional and bidirectional diffractive neural networks for information security and sharing

Fig. 5

a–d Input patterns and corresponding measured electric-field intensity distributions in the output plane under the forward incidence of x-, 45°-, and y-polarized THz waves. e–h Input patterns and corresponding measured electric-field intensity distributions in the output plane under the backward incidence of x-, 45°-, and y-polarized THz waves.

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