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physics.optics2022★ 1 cited
Non-Hermitian chiral degeneracy of gated graphene metasurfaces
Soojeong Baek, Sang Hyun Park, Donghak Oh +9
Non-Hermitian degeneracies, also known as exceptional points (EPs), have been the focus of much attention due to their singular eigenvalue surface structure. Nevertheless, as perta…
physics.optics2019
Extremely broadband topological surface states in a photonic topological metamaterials
Minkyung Kim, Dasol Lee, Wenlong Gao +4
Metamaterials, artificially engineered materials consisting of subwavelength unit cell, have shown potentials in light manipulation with their extraordinary optical properties. Esp…