Journal
TRENDS IN CHEMISTRY
Volume 3, Issue 5, Pages 342-358Publisher
CELL PRESS
DOI: 10.1016/j.trechm.2021.02.004
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Funding
- Department of Defense
- Air Force Office of Scientific Researc
- National Science Foundation
- Simons Foundation
- Office of Naval Research [N00014-19-1-2011]
- National Research Foundation, Prime Minister's Office, Singapore, CRP award [NRF CRP222019-0006]
- Advanced Research and Technology Innovation Centre grant [R-261-518-004-720]
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Optical metasurfaces are planarized devices with unprecedented capabilities to manipulate electromagnetic waves and facilitate multiple functionalities. Recent research efforts have focused on enhancing light-matter interactions, with layered and twisted metasurfaces showcasing interesting features such as flexibility and tunability in manipulating light. These advancements contribute to the development of moiré physics for light.
Optical metasurfaces are assemblies of subwavelength, artificially designed inclusions forming planarized devices with unprecedented capabilities to manipulate electromagnetic waves and facilitate multiple functionalities. Recent topical efforts in this research area have been focused on pushing forward the frontiers of enhanced light?matter interactions exploiting new concepts and fabrication capabilities. In this context, layered and twisted metasurfaces have showcased interesting features, including flexibility and tunability in manipulating light, contributing to the development of moir? physics for light. Here, we provide an overview on the state-of-art layered and stacked moir? metasurfaces. Freespace multifunctional metadevices are first discussed, followed by recent discoveries in polaritonics and twistronics for twisted hyperbolic metasurface bilayers. We conclude with a discussion on recent advances in the nanofabrication of moir? metasurfaces and remark on their future potential applications.
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