Pseudochirality at exceptional rings of optical metasurfaces
Radosław Kołkowski, Stefanos Kovaios, A. Femius Koenderink
Abstract
The authors show that nanoscale patterns of gain and loss in plasmonic metasurfaces can produce rings of exceptional points which couple to circularly polarized light, resulting in different amplification of left- and right-handed optical fields.
Topics & Concepts
PlasmonNanoscopic scaleOpticsPhysicsCircular polarizationOptoelectronicsMetamaterialMaterials scienceNanotechnologyMicrostripMetamaterials and Metasurfaces ApplicationsQuantum Mechanics and Non-Hermitian PhysicsTopological Materials and Phenomena