This National Science Foundation Project Grant of $567,000 supports research from April 2023 through March 2026 under the Mathematical and Physical Sciences program (CFDA 47.049). The University of Nebraska-Lincoln will develop new ultrathin dielectric helical metamaterials to strongly enhance and tune their chiroptical response across the visible spectrum. The research aims to unlock novel ways to efficiently manipulate the broadband chirality, spin angular momentum, and transverse spin of photons. Low-loss all-dielectric helical nanostructures will be investigated theoretically and experimentally for applications such as new chiral nanophotonic waveguides and nanocavities. A sub-award of $100,000 to The Pennsylvania State University will support related research activities. The funding advances the program's goal of increasing scientific knowledge and understanding of major problems through basic research in the mathematical and physical sciences.
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