Fig. 3: Latent space discovery with active learning. | Nature Communications

Fig. 3: Latent space discovery with active learning.

From: Self-driving lab discovers principles for steering spontaneous emission beyond conventional Fourier optics

Fig. 3

a Spearman correlation coefficient among latent dimensions learnt by the VAE, a,b-spatial curvature and gradient of the pump, A,ω-average intensity and the highest spatial frequency of the SLM pump profile. b Sobol correlations between latent space dimensions of the VAE with the spatial curvature (left panel), and the gradient (right panel) of the optical pump profile. The blue bars indicate correlation with respect to an individual variable (zi) while the red bars highlight the correlation in the presence of other latent space variables. The black stripes on top of the bars indicate the possible error bar in the correlation statistic. c–e Measured directivity of emission from the metasurface as a function of spatial curvature, a and gradient, b for steering results −14°,0,and +14° respectively.

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