Multistability in Coupled Nonlinear Metasurfaces
Valagiannopoulos C.
1 July 2022Institute of Electrical and Electronics Engineers Inc.
IEEE Transactions on Antennas and Propagation
2022#70Issue 75534 - 5540 pp.
Multistability, namely, the property of obtaining different outputs depending on the past values of the input, is the key effect behind memory components in a variety of electronic, chemical, biological, and quantum systems. Two electromagnetic metasurfaces, with nonlinear admittances of Kerr type, are found to manifest significant multistability regarding their transmissivity. Such a feature is owed to the discontinuous variation of the response once the nature of the material changes from dielectric to plasmonic and vice versa, occurring at different levels of incoming power. The conditions for giving sizable hysteresis loops, with respect to either the input intensity or its operational wavelength, are determined. The reported results are expected to assist the modeling of nonlinear metasurfaces and open unexplored opportunities toward the efficient design of photonic memory elements.
Bistability , electromagnetic coupling , metasurface , multistability , nonlinearity , surface impedance
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Nazarbayev University, School of Sciences and Humanities, Department of Physics, Astana, 010000, Kazakhstan
Nazarbayev University
10 лет помогаем публиковать статьи Международный издатель
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