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physics.optics2026
Inverse Design of Three-Dimensional Microwave Cavities for Optimizing Electromagnetic Helicity
Emma Paterson, Jeremy Bourhill, Maxim Goryachev
We present a inverse-design framework framework for systematically engineering three-dimensional microwave cavity resonators that support modes with nonzero electromagnetic helicit…
physics.optics2025
Dynamically tuneable helicity in twisted electromagnetic resonators
E. C. I. Paterson, J. Bourhill, M. E. Tobar +1
We report the generation of helical electromagnetic radiation in a microwave cavity resonator, achieved by introducing mirror asymmetry, i.e., chirality, through a controlled geome…