Figure 2 | Working principle of the intelligent metasurface. (IMAGE)

Light Publishing Center, Changchun Institute of Optics, Fine Mechanics And Physics, CAS

Figure 2 | Working principle of the intelligent metasurface.

Caption

Figure 2 | Working principle of the intelligent metasurface.  a, Coincidence count rates of 24-wavelength-paired photon pairs for degenerate and non-degenerate SFWM processes at pump powers at 0.32mW. b and c, shows the visibility, Nsift, QBER, and SKR of user B&D at different pump power levels. d, Histograms between A&B, A&C, A&D, B&C, B&D, and C&D. e, Picture of the Si3N4 chips. f, Picture of the fiber-pigtailed Si3N4 device.

Credit

Yun-Ru Fan, Yue Luo et al.

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