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17 September 2018 Design of reconfigurable meta-surfaces: modeling done right (Conference Presentation)
Sebastian Meyer, Dmitry N. Chigrin
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Proceedings Volume 10721, Active Photonic Platforms X; 107211W (2018) https://doi.org/10.1117/12.2321120
Event: SPIE Nanoscience + Engineering, 2018, San Diego, California, United States
Abstract
Today it is possible to engineer the building blocks of artificial materials (meta-materials) with feature sizes smaller than the wavelength of light. The ability to design meta-atoms in a largely arbitrary fashion adds a new degree of freedom in material engineering, allowing to create artificial materials with unusual electromagnetic properties rare or absent in nature. Achieving tunable, switchable and non-linear functionalities of meta-materials at individual meta-atom level could potentially lead to additional flexibility in designing active photonic devices. These include among others, meta-materials based on phase-change materials, whose properties could be altered by thermal or photo-thermal means. In this presentation, our recent results on developing appropriate numerical methods to study hybrid meta-material structures containing phase-change materials will be discussed. Meta-atoms based on plasmon polaritonic materials are considered. We develop appropriate phenomenological models of phase transition and self-consistently couple them with the full wave electromagnetic and heat transfer solvers. Developed methods are used to design meta-surface based tunable components. We demonstrate an importance of the multiphysical modelling and discuss deficiencies of the commonly used purely electromagnetic simulations approaches.
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Sebastian Meyer and Dmitry N. Chigrin "Design of reconfigurable meta-surfaces: modeling done right (Conference Presentation)", Proc. SPIE 10721, Active Photonic Platforms X, 107211W (17 September 2018); https://doi.org/10.1117/12.2321120
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KEYWORDS
Modeling
Metamaterials
Electromagnetism
Electromagnetic simulation
Numerical analysis
Photonic devices
Plasmons
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