FIELD: optics.
SUBSTANCE: invention relates to optics and specifically to devices for controlling light by modifying optical properties of a medium for controlling intensity and phase. Modulation method involves the use of a structure consisting of Mie-resonant nanoparticles of a direct-bandgap semiconductor material with a high refraction index (n more than 3), arranged in/on transparent dielectric substrate with low refraction index (n in range of 1.5…1.8). Switching is carried out by adjusting the delay between the two light beams. One beam changes optical properties of the structure and the profile of the other is the analysed two-dimensional signal.
EFFECT: providing amplitude-phase filtration of a light beam at high frequencies exceeding 100 GHz, and integrating an ultra-fast tunable modulator into optical microchips.
9 cl, 9 dwg
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