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1 August 2021 Tunable nanoantennas with liquid crystals: dynamic wavefront control with sub-wavelength resolution
Ramón J. Paniagua-Domínguez, Parikshit Moitra, Damien Eschimese, Rasna Maruthiyodan Veetil, Xuewu Xu, Anton Baranikov, Xinan Liang, Tobias W. W. Mass, Shampy Mansha, Arseniy I. Kuznetsov
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Proceedings Volume 11807, Liquid Crystals XXV; 118070B (2021) https://doi.org/10.1117/12.2594419
Event: SPIE Organic Photonics + Electronics, 2021, San Diego, California, United States
Abstract
Nanostructured surfaces with engineered electromagnetic response, so called metasurfaces, are a very active topic of research in the nanophotonics community, stemming from their ability to manipulate the light wavefront at will with unparalleled resolution. Currently, one of the main limitations of this kind of devices is their static character, i.e., the fact that their functionality (e.g. focusing light, steering light, etc.) becomes fixed upon fabrication. To circumvent this issue, significant efforts are being made to achieve dynamic control of these devices by different means, one of the most promising being interfacing them with liquid crystals. In this talk, we will present our recent results in this direction, towards achieving dynamic control over each individual nanoantenna of the metasurface, as to realize the next generation of Spatial Light Modulators with sub-wavelength resolution, with broad applications in areas such as near-eye and holographic displays or LIDAR.
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Ramón J. Paniagua-Domínguez, Parikshit Moitra, Damien Eschimese, Rasna Maruthiyodan Veetil, Xuewu Xu, Anton Baranikov, Xinan Liang, Tobias W. W. Mass, Shampy Mansha, and Arseniy I. Kuznetsov "Tunable nanoantennas with liquid crystals: dynamic wavefront control with sub-wavelength resolution", Proc. SPIE 11807, Liquid Crystals XXV, 118070B (1 August 2021); https://doi.org/10.1117/12.2594419
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KEYWORDS
Nanoantennas
Dielectrics
Liquid crystals
Wavefronts
Electromagnetism
Nanophotonics
Visible radiation
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