Abstract
The optical properties of a composite structure consisting of two sequentially arranged three-layer metal–dielectric–metal (MDM) structures separated by a dielectric layer are considered. It is shown that such a composite MDM structure can perform second-order spatiotemporal differentiation with high quality at normal incidence of optical signal. The obtained results can be used to create systems for analog optical computing and optical information processing.
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Funding
This work was supported by the Russian Science Foundation, project no. 19-19-00514 (investigation of the MDM structures); and by the RF Ministry of Science and Higher Education as part of a State assignment for the Federal Scientific Research Centre “Crystallography and Photonics” of the Russian Academy of Sciences (implementing the simulation software).
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Translated by E. Domoroshchina
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Kashapov, A.I., Bezus, E.A., Bykov, D.A. et al. A Second-Order Optical Differentiator Based on a Metal–Dielectric–Metal Composite Structure. Bull. Russ. Acad. Sci. Phys. 87, 13–17 (2023). https://doi.org/10.3103/S1062873822700034
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DOI: https://doi.org/10.3103/S1062873822700034