Fig. 5: Random defects and encryption capabilities. | npj Nanophotonics

Fig. 5: Random defects and encryption capabilities.

From: Integrated photonic programmable random matrix generator with minimal active components

Fig. 5

(left panel) Real and imaginary parts of the perturbed DFrFT matrix F(δ) for δ = 0.05, 0.1, 0.2. (Top panel) Testing image W used for encryption with perturbed DFrFT F(δ). (right panel) The corresponding encrypted images. (Bottom panel) Decrypted images using an ideal decryption device \({{\mathcal{U}}}^{\dagger }(\delta =0)\).

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